TREX MEDICAL CORP
424B3, 1997-01-14
X-RAY APPARATUS & TUBES & RELATED IRRADIATION APPARATUS
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    PROSPECTUS                       Filed Pursuant to Rule 424(b)(3)
                                     of the Securities Act of 1933   
                                     (Registration No. 333-18781)    
                                 300,000 Shares
                            TREX MEDICAL CORPORATION
                                  Common Stock

       This Prospectus relates  to   300   ,000  shares  (the  "Shares") of
    Common
    Stock, par value  $.01 per share  (the "Common Stock"),  of Trex  Medical
    Corporation ("Trex Medical" or the "Company").  The Shares may be offered
    by certain shareholders of the Company (the "Selling Shareholders")  from
    time  to  time  in  transactions  on  the  American  Stock  Exchange,  in
    negotiated transactions, through the writing of options on the Shares, or
    a combination  of such  methods of  sale,  at fixed  prices that  may  be
    changed, at  market prices  prevailing at  the time  of sale,  at  prices
    related to such prevailing  market prices or at  negotiated prices.   The
    Selling Shareholders may effect such  transactions by selling the  Shares
    to  or  through  broker-dealers,  and  such  broker-dealers  may  receive
    compensation in the  form of discounts,  concessions or commissions  from
    the Selling Shareholders  and/or the  purchasers of the  Shares for  whom
    such broker-dealers may act as agent  or to whom they sell as  principal,
    or both (which  compensation to  a particular broker-dealer  might be  in
    excess of  customary  commissions).   The  Selling  Shareholder  and  any
    broker-dealer who acts in connection  with the sales of Shares  hereunder
    may be  deemed  to be  "underwriters"  as that  term  is defined  in  the
    Securities Act  of  1933, as  amended  (the "Securities  Act"),  and  any
    commissions received by them  and profit on any  resale of the Shares  as
    principal might be  deemed to be  underwriting discounts and  commissions
    under the Securities Act.  The Shares were originally sold by the Company
    in private placements pursuant to certain Stock Purchase Agreements  with
    the Company dated December 19, 1996.  See "Selling Shareholders."
                                _______________ 

        The Common Stock offered hereby involves a high degree of risk.
                    See "RISK FACTORS" beginning at page 4.
                                _______________ 

    THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
               THE                                            THE
     AND  EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
      SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION
          PASSED UPON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS.  ANY
             REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
                                 _______________

       None of  the proceeds  from the  sale  of the  Shares by  the Selling
    Shareholders will be received by the Company.  The Company has agreed  to
    bear  all  expenses  (other  than  underwriting  discounts  and   selling
    commissions, and fees and  expenses of counsel or  other advisers to  the
    Selling Shareholders) in connection with the registration and sale of the
    Shares being registered hereby.  The Company has agreed to indemnify  the
    Selling Shareholders against  certain liabilities, including  liabilities
    under the Securities Act as underwriter or otherwise.

       Trex Medical Corporation is a majority-owned subsidiary of ThermoTrex
    Corporation ("ThermoTrex"),  which  is  a  majority-owned  subsidiary  of
    Thermo Electron Corporation  ("Thermo Electron").   The  Common Stock  is
    traded on  the  American Stock  Exchange  under  the symbol  "TXM."    On


                The date of this Prospectus is January 10, 1996.
PAGE
<PAGE>


    PROSPECTUS                       Filed Pursuant to Rule 424(b)(3)
                                     of the Securities Act of 1933   
                                     (Registration No. 333-18781)    
    December 20 , 1996, the reported closing price of the Common Stock on the
    American Stock Exchange was $14.75 per share.






















































                The date of this Prospectus is January 10, 1996.2
PAGE
<PAGE>





                                TABLE OF CONTENTS


    The Company  ............................................. 3

    Risk Factors  ............................................ 4

    Price Range of Common Stock  .............................10

    Dividend Policy  .........................................10

    Capitalization  ..........................................11

    Selected Financial Information  ..........................12

    Selected Quarterly Financial Data  .......................14

    Management's Discussion and Analysis of Financial

        Condition and Results of Operations  .................15

    Business  ................................................18

    Relationship and Potential Conflicts with Thermo

        Electron and ThermoTrex  .............................29

    Management  ..............................................33

    Executive Compensation  ..................................36

    Security Ownership of Certain Beneficial Owners 

        and Management  ......................................41

    Selling Shareholders  ....................................44

    Sale of Shares  ..........................................45

    Description of Capital Stock  ............................45

    Shares Eligible for Future Sale  .........................46

    Legal Opinions  ..........................................47

    Experts  .................................................47

    Additional Information  ..................................48

    Index to Financial Statements  ..........................F-1






                                        3
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                                  THE COMPANY

      The Company  is a  worldwide  leader in  the  design, manufacture  and
    marketing of mammography  equipment and  minimally invasive  stereotactic
    needle biopsy systems used for the detection of breast cancer, as well as
    a leading  designer  and  manufacturer  of  general  radiography  (X-ray)
    equipment. A  mammography  system  is  a  dedicated  radiographic  system
    designed specifically to image breast tissue. Stereotactic needle  biopsy
    systems, which use a guided hollow needle to extract a sample of  tissues
    from the breast,  offer a  cost-effective, less  invasive alternative  to
    open surgery for  the biopsy  of suspicious breast  lesions. The  Company
    recently  broadened  its   product  base  by   acquiring  Bennett   X-Ray
    Corporation ("Bennett"),  a leading  producer  of specialty  and  general
    purpose  radiographic   systems,  including   mammography  systems,   XRE
    Corporation ("XRE"), a  manufacturer of  X-ray imaging  systems used  for
    cardiac catheterization and angiography and Continental X-Ray Corporation
    and its affiliates (collectively "Continental") a manufacturer of general
    purpose radiographic systems and specialty radiographic systems including
    radiographic/flouroscopy products. 

      The Company  was  incorporated in  Delaware  in  September 1995  as  a
    wholly-owned subsidiary  of ThermoTrex.  ThermoTrex acquired  all of  the
    outstanding shares  of capital  stock of  Bennett in  September 1995  for
    approximately $42,000,000 in cash,  net of cash  acquired. On October  2,
    1995, the Company acquired all of the outstanding shares of capital stock
    of Bennett from ThermoTrex in exchange for a $42,000,000 principal amount
    subordinated convertible  note due  2000  (the "Convertible  Note").  The
    Convertible Note  bears interest  at a  rate  of 4.2%  per annum  and  is
    convertible into shares of Common Stock  at a conversion price of  $11.79
    per share.  As of November 30, 1996, ThermoTrex had converted $34,000,000
    principal amount of the  Convertible Note for  an aggregate of  2,883,798
    shares of Common Stock.   Subsequently, on  October 16, 1995,  ThermoTrex
    contributed all  of the  assets  and liabilities  relating to  its  Lorad
    division ("Lorad") and  the development  of its  Sonic CT  system to  the
    Company in exchange for 20,000,000 shares of Common Stock of the Company.
    On May 29, 1996, the Company acquired substantially all of the assets and
    liabilities of XRE  for approximately  $18,500,000 in cash,  net of  cash
    acquired and including the repayment of debt.  On September 4, 1996,  the
    Company acquired  substantially  all of  the  assets and  liabilities  of
    Continental for approximately $18.4 million in cash, net of cash acquired
    and including the repayment of debt.

      Unless the context otherwise  requires, references in this  Prospectus
    to the  Company  or  Trex  Medical  Corporation  refer  to  Trex  Medical
    Corporation and its  subsidiaries. As  of December 20, 1996, ThermoTrex
 beneficially  owned  79%  of  the  Company's  outstanding  Common  Stock,
   excluding the shares of Common Stock issuable upon the conversion of  the
    outstanding principal  amount  of  the Convertible  Note.  The  Company's
    principal executive offices are located at 36 Apple Ridge Road,  Danbury,
    Connecticut, and its telephone number is (203) 790-1188. 





                                        4
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                                  RISK FACTORS

      An investment in the shares of Common Stock offered  hereby involves a
    high degree  of  risk.  Accordingly,  the  following  factors  should  be
    considered carefully in  evaluating the Company  and its business  before
    purchasing any of such shares. 

      Technological Change and  New Products. The market  for the Company's
      --------------------------------------
    products is characterized by rapid and significant technological  change,
    evolving industry standards  and new product  introductions. Many of  the
    Company's  products   are   technologically   innovative,   and   require
    significant  planning,   design,   development,  and   testing   at   the
    technological,  product,   and   manufacturing  process   levels.   These
    activities require significant capital commitments and investment by  the
    Company. The  high cost  of technological  innovation is  matched by  the
    rapid and significant change in  the technologies governing the  products
    that are competitive in the Company's market, by industry standards  that
    may change on short  notice and by the  introduction of new products  and
    technologies such as magnetic resonance imaging and ultrasound, which may
    render existing  products  and technologies  uncompetitive  or  obsolete.
    There can  be no  assurance that  the Company's  products or  proprietary
    technologies will not become uncompetitive or obsolete.

      Dependence on  Patents  and  Proprietary  Rights. The  Company  pla
  considerable importance on obtaining  patent and trade secret  protection
    for significant new technologies, products, and processes because of  the
    length of time and expense associated with bringing new products  through
    the development and regulatory approval  process and to the  marketplace.
    The  Company's  success  depends  in  part  on  whether  it  can  develop
    patentable products  and obtain  and enforce  patent protection  for  its
    products both in the  United States and in  other countries. The  Company
    has filed, and intends to  file, applications as appropriate for  patents
    covering both its products and manufacturing processes. No assurance  can
    be given  that patents  will  issue from  any  pending or  future  patent
    applications owned by, or  licensed to, the Company,  or that the  claims
    allowed under any issued  patents will be  sufficiently broad to  protect
    the Company's technology. In addition, no assurance can be given that any
    issued patents  owned  by,  or  licensed to,  the  Company  will  not  be
    challenged, invalidated,  or circumvented,  or  that the  rights  granted
    thereunder will  provide  competitive  advantages  to  the  Company.  The
    Company could  incur  substantial  costs in  defending  itself  in  suits
    brought against it or in suits in which the Company may assert its patent
    rights  against  others.  If  the  outcome  of  any  such  litigation  is
    unfavorable to  the  Company,  the  Company's  business  and  results  of
    operations could be materially adversely affected.

      The Company relies on  trade secrets and proprietary  know-how that it
    seeks to  protect,  in  part,  by  confidentiality  agreements  with  its
    collaborators, employees, and consultants. There can be no assurance that
    these agreements  will  not be  breached,  that the  Company  would  have
    adequate remedies for  any breach,  or that the  Company's trade  secrets
    will  not  otherwise  become  known  or  be  independently  developed  by
    competitors.



                                        5
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      Risks Associated  With Pending  and Threatened  Patent Litigation .
      In April 1992, Fischer Imaging  Corporation ("Fischer") commenced
     a  lawsuit
    in the United States  District Court, District  of Colorado, against  the
    Company's Lorad  division,  alleging  that  Lorad's  prone  breast-biopsy
    system  infringes   a  Fischer   patent  on   a  precision   mammographic
    needle-biopsy  system.  As  of  September  28,  1996,  the  Company   had
    recognized aggregate revenues of  approximately $63.1 million from  sales
    of such systems, of which $34.4 million represents sales prior to October
    1, 1995. The suit  requests a permanent  injunction, treble damages,  and
    attorneys' fees and expenses. If the Company is unsuccessful in defending
    this lawsuit,  it may  be enjoined  from manufacturing  and selling  such
    systems without a license  from Fischer. No assurance  can be given  that
    the Company  will be  able to  obtain  such a  license, if  required,  on
    commercially reasonable terms, if at all. In addition, the Company may be
    subject to damages for past infringement. No assurance can be given as to
    whether the Company will be subject to such damages or, if so, the amount
    of damages that the Company may be required to pay.

      The Company also is aware of  a U.S. patent held by  Nicola E. Yanaki,
    which has been asserted by him against certain automatic exposure-control
    features included in most of  the Company's current mammography  systems.
    The Company has  been informed  by Mr. Yanaki  that a  competitor of  the
    Company has obtained a license for use of this patent. If Mr. Yanaki were
    successful in  enforcing such  patent, the  Company could  be subject  to
    damages for past infringement and enjoined from manufacturing and selling
    imaging equipment utilizing certain automatic exposure-control features.

      The  Company  is  also  aware  of  an   issued  European  patent  with
    counterparts in other non-U.S. countries applicable to imaging  equipment
    utilizing  certain  automatic  exposure-control  features.  The  European
    patent is the  subject of  an opposition proceeding  before the  European
    Patent Office.  There can  be no  assurance  as to  the outcome  of  such
    opposition.

      In connection with the organization of  the Company, ThermoTrex agreed
    to indemnify the Company for any and all cash damages in connection  with
    the Fischer lawsuit and any potential  claims by Mr. Yanaki with  respect
    to sales of the Company's products occurring prior to October 1995,  when
    the businesses  of Lorad  and Bennett  were transferred  to the  Company.
    Notwithstanding this indemnification,  the Company would  be required  to
    report as an expense the full amount, including any reimbursable  amount,
    of any damages in excess of the  amount accrued as of September 28,  1996
    (approximately $2 million), with any indemnification payment it  receives
    from  ThermoTrex  being  treated  as  a  contribution  to   shareholders'
    investment.

      The Company  is also  aware  of two  U.S.  patents owned  by a  former
    employee that  have been  asserted against  the Company  relating to  its
    high-transmission  cellular  ("HTC")(TM)  grid   to  be  used  with   its
    mammography systems. If the former employee were successful in  enforcing
    such patents, the Company could be  subject to damages and enjoined  from
    manufacturing and selling the HTC grid.

      The unfavorable  outcome of  any one  or more  of the  above described
    matters could have a  material adverse effect  on the Company's  business

                                        6
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<PAGE>





    and results of  operations. The Company's  competitors and other  parties
    hold other various patents and patent applications in the fields in which
    the Company operates. There can be no assurance that the Company will not
    be found to have infringed third-party patents and, in the event of  such
    infringement, the  Company could  be required  to alter  its products  or
    processes, pay licensing fees, or cease making and selling any infringing
    products and pay damages for past infringement.

      No Assurance of  Development and  Commercialization of  Products Under
      ----------------------------------------------------------------------
    Development. A number of the  Company's potential products are  currently
    -----------
    under development. There  are a number  of technological challenges  that
    the Company must successfully address to complete any of its  development
    efforts. Product development involves a high degree of risk, and  returns
    to   investors   are   dependent   upon   successful   development    and
    commercialization of  such  products.  Proposed  products  based  on  the
    Company's technologies will require  significant additional research  and
    development. There can be no assurance that any of the products currently
    being developed by the Company, or those to be developed in the future by
    the  Company,  will  be  technologically  feasible  or  accepted  by  the
    marketplace, or  that  any such  development  will be  completed  in  any
    particular time frame.

      Risks Associated  with Acquisition  Strategy. The  Company's strategy
      --------------------------------------------
    includes the acquisition of  businesses and technologies that  complement
    or augment the Company's existing product lines. For example, in  October
    1995, the  Company acquired  its  Bennett subsidiary;  in May  1996,  the
    Company acquired substantially all of the assets and liabilities of  XRE,
    a manufacturer  of  X-ray  imaging  systems used  in  the  diagnosis  and
    treatment of coronary artery disease  and other vascular conditions;  and
    in September 1996, the Company  acquired substantially all of the  assets
    and  liabilities   of  Continental,   a  manufacturer   of   radiographic
    fluoroscopy  products,  general  radiography  systems,  electrophysiology
    products and dedicated  mammography systems.  Promising acquisitions  are
    difficult to identify  and complete  for a number  of reasons,  including
    competition  among  prospective  buyers  and  the  need  for   regulatory
    approvals, including antitrust approvals. There can be no assurance  that
    the Company will  be able  to complete  future acquisitions  or that  the
    Company will be able to  successfully integrate any acquired  businesses.
    In order  to finance  such  acquisitions, it  may  be necessary  for  the
    Company to raise additional funds  through public or private  financings.
    Any equity or debt financing, if available  at all, may be on terms  that
    are not favorable to  the Company and, in  the case of equity  financing,
    may result in dilution to the Company's stockholders.

      Intense Competition.  The Company encounters and expects to continue to
      -------------------
    encounter intense competition in  the sale of  its products. The  Company
    believes that the principal competitive factors affecting the market  for
    its  products   include  product   features,  product   performance   and
    reputation, price, and service.  The Company's competitors include  large
    multinational corporations and  their operating units,  including the  GE
    Medical Systems Division of General Electric Company, Inc. ("GE"), the   
    Philips Medical Systems  of North  Americ Company  subsidiary of  Philips
    N.V. ("Philips"),  the  Siemens  Corporation  subsidiary  of  Siemens  AG
    ("Siemens"), Toshiba American Medical  Systems, Inc. and Toshiba  America
    MRI,  Inc.   (collectively,   "Toshiba"),  Shimadzu,   and   the   Picker

                                        7
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    International, Inc.  subsidiary of  GEC, Inc.  ("Picker  International").
    These companies  and  certain of  the  Company's other  competitors  have
    substantially greater financial, marketing, and other resources than  the
    Company. As a result, they  may be able to adapt  more quickly to new  or
    emerging technologies and changes in customer requirements, or to  devote
    greater resources to the  promotion and sale of  their products than  the
    Company. Moreover, a significant  portion of the  Company's sales are  to
    the United States Surgical Corporation ("U.S. Surgical"), GE, and Philips
    through OEM arrangements. The products sold by such OEM customers compete
    with products  offered  by  the  Company  and  its  independent  dealers.
    Competition could  increase  if new  companies  enter the  market  or  if
    existing competitors  expand their  product  lines or  intensify  efforts
    within existing  product  lines.  There  can be  no  assurance  that  the
    Company's current  products, products  under development,  or ability  to
    discover new  technologies will  be sufficient  to enable  it to  compete
    effectively with its competitors.

      Government  Regulation,  No  Assurance  of  Regulatory  Approval .  The
      ----------------------------------------------------------------
    Company's products are subject  to regulation by the  U.S. Food and  Drug
    Administration (the FDA)  and equivalent agencies  in foreign  countries.
    Failure to comply with applicable regulatory requirements can result  in,
    among other things, civil and  criminal fines, suspensions of  approvals,
    recalls of products, seizures, injunctions, and criminal prosecutions.

      To date, all of the Company's products have been classified by the FDA
    as Class II  medical devices  and have  been eligible  for FDA  marketing
    clearance pursuant to  the FDA's 510(k)  premarket notification  process,
    which is  generally shorter  than the  more involved  premarket  approval
    (PMA)  process.  The  Company  believes   that  most  of  its   currently
    anticipated future  products and  substantial modifications  to  existing
    products will be eligible for the 510(k) premarket notification  process.
    However, the FDA has not  yet classified full-breast digital  mammography
    systems such as the one being  developed by the Company. If such  systems
    are classified as  Class III devices,  the Company would  be required  to
    file for FDA marketing clearance for its full-breast digital  mammography
    system under the PMA process, which would require substantial  additional
    clinical trials and post-market  follow-up for a  number of years.  While
    not classifying such systems,  the FDA recently  issued a final  guidance
    document relating to the protocol for marketing clearance of  full-breast
    digital mammography systems. This document suggests that clearance may be
    obtained through  an  enhanced  510(k) application  with  more  extensive
    clinical trials. The protocol  set forth in  the final guidance  document
    calls for clinical trials  on 520 subjects prior  to applying to the  FDA
    for  clearance  to  commercially  market  such  a  system.  In  addition,
    full-breast digital  mammography systems  will  be subject  to  alternate
    quality assurance standards under the Mammography Quality Standards  Act.
    These alternate standards will be submitted by the Company to the FDA for
    review. The  Company can  make no  prediction  as to  when the  FDA  will
    approve such  standards,  if at  all.  There  can be  no  assurance  that
    full-breast digital mammography systems will not be classified by the FDA
    as Class III  medical devices subject  to the PMA  process. In  addition,
    there can be no  assurance that the necessary  clearances for any of  the
    Company's products will be obtained on a timely basis, if at all. 



                                        8
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      FDA regulations  also  require  manufacturers  of medical  devices  to
    adhere to  certain "Good  Manufacturing Practices"  (GMP), which  include
    testing, quality  control, and  documentation procedures.  The  Company's
    manufacturing facilities are subject to  periodic inspection by the  FDA.
    No assurances can be given that the  FDA will not in the future find  the
    Company to be in violation of one or more such regulations.

      Healthcare Reform; Uncertainty  of Patient Reimbursement .    The Federal
      --------------------------------------------------------
    government has in the past, and may in the future, consider, and  certain
    state  and  local  as  well  as  a  number  of  foreign  governments  are
    considering or have adopted, healthcare policies intended to curb  rising
    healthcare costs. Such  policies include  rationing of  government-funded
    reimbursement for healthcare  services and imposing  price controls  upon
    providers of medical  products and services.  The Company cannot  predict
    what healthcare reform legislation or regulation, if any, will be enacted
    in the United States or elsewhere. Significant changes in the  healthcare
    systems  in  the  United  States  or  elsewhere  are  likely  to  have  a
    significant impact over time on the manner in which the Company  conducts
    its business. In addition, the federal government regulates reimbursement
    of  fees  for  certain  diagnostic  examinations  and  capital  equipment
    acquisition costs  connected  with services  to  Medicare  beneficiaries.
    Recent legislation  has  limited Medicare  reimbursement  for  diagnostic
    examinations.  These  policies  may  have  the  effect  of  limiting  the
    availability or reimbursement for certain procedures, and as a result may
    inhibit or  reduce demand  by healthcare  providers for  products in  the
    markets in which the Company  competes. While the Company cannot  predict
    what effect the  policies of  government entities and  other third  party
    payors will have on future sales of the Company's products, there can  be
    no assurance that such policies would  not have an adverse impact on  the
    operations of the Company.

      Dependence Upon Significant  OEM Relationships . A  significant portion
      ----------------------------------------------
    of the Company's sales are to  U.S. Surgical, GE, and Philips  through OEM
    arrangements. The Company's sales depend, in part, on the continuation of
    these OEM arrangements  and the  level of  end-user sales  by such  OEMs.
    There can be no assurance that the  Company will be able to maintain  its
    existing, or establish new, OEM relationships.

      Potential Product  Liability. The  Company's  business exposes  its
potential  product   liability  claims,   which  are   inherent  in   the
    manufacturing, marketing, and sale  of medical devices,  and as such  the
    Company may face substantial liability to patients for damages  resulting
    from the faulty design or manufacture of products. The Company  currently
    maintains product-liability insurance, but there can be no assurance that
    this insurance will provide sufficient coverage in the event of a  claim,
    that the Company  will be able  to maintain such  coverage on  acceptable
    terms, if at all, or that a product-liability claim would not  materially
    adversely affect the business or financial condition of the Company.

      Risks Associated  With International  Operations .  International sales
      ------------------------------------------------
    accounted for 22%, 21%, and 14% of the Company's revenues in fiscal 1996,
    fiscal 1995, and 1994, respectively.  The Company intends to continue  to
    expand its presence in international markets. International revenues  are
    subject to a number of risks, including the following: agreements may  be
    difficult to  enforce  and receivables  difficult  to collect  through  a

                                        9
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    foreign country's legal system; foreign customers may have longer payment
    cycles; foreign  countries may  impose  additional withholding  taxes  or
    otherwise tax the Company's foreign income, impose tariffs or adopt other
    restrictions on foreign trade; U.S.  export licenses may be difficult  to
    obtain; and the protection of intellectual property in foreign  countries
    may be more difficult to enforce.

      Control by ThermoTrex. The Company's  stockholders do not have  the
      ---------------------
    right to cumulate votes for the election of directors. ThermoTrex,  which
    owns 79% of the outstanding Common Stock of the Company, has the power to
    elect the entire  Board of  Directors of the  Company and  to approve  or
    disapprove any corporate  actions submitted  to a vote  of the  Company's
    stockholders. See "Relationship and Potential Conflicts of Interest  with
    Thermo Electron  and  ThermoTrex"  and  "Security Ownership  of  Certain
    Beneficial Owners and Management." 

      Potential Conflicts  of Interest.  The  Company may  be  s
      --------------------------------
    potential conflicts of  interest from  time to time  as a  result of  its
    relationship with Thermo Electron and ThermoTrex. For example,  conflicts
    may arise in the development and licensing of digital detector technology
    by ThermoTrex to  the Company,  the manufacture of  digital detectors  by
    ThermoTrex for sale  to the  Company and the  Company's manufacturing  of
    lasers  for  sale  to  ThermoLase  Corporation.  See  "Relationship
    Potential Conflicts  of Interest  with Thermo  Electron and  ThermoTrex."
    Certain officers of the Company  are also officers of ThermoTrex,  Thermo
    Electron and/or other subsidiaries of Thermo Electron, and are  full-time
    employees of ThermoTrex  or Thermo  Electron. Such  officers will  devote
    only a portion of their working time  to the affairs of the Company.  For
    financial  reporting  purposes,  the  Company's  financial  results   are
    included in  the  consolidated  financial statements  of  ThermoTrex  and
    Thermo Electron. The members of the Board of Directors of the Company who
    are also affiliated with Thermo Electron or ThermoTrex will consider  not
    only the short-term and  the long-term impact  of operating decisions  on
    the Company, but also  the impact of such  decisions on the  consolidated
    financial results of  ThermoTrex and Thermo  Electron. In some  instances
    the impact  of such  decisions could  be disadvantageous  to the  Company
    while advantageous to ThermoTrex or  Thermo Electron, or vice versa.  The
    Company is a party  to various agreements with  Thermo Electron that  may
    limit  the  Company's  operating   flexibility.  See  "  Relationship  and
    Potential Conflicts of Interest with Thermo Electron and ThermoTrex." 

      Significant  Additional  Shares  Eligible  for  Future  Sale   .
      ------------------------------------------------------------
    22,883,798 shares  of  Common  Stock  owned  by  ThermoTrex  will  become
    eligible for resale under Rule 144 in October 1997. In addition,  subject
    to certain limitations described below under "Shares Eligible For  Future
    Sale," as long as ThermoTrex is able to elect a majority of the Company's
    Board of Directors, it will have the ability to cause the Company at  any
    time to register for resale all or a portion of the Common Stock owned by
    ThermoTrex. 

      Additional shares of  Common Stock issuable  upon exercise of  options
    granted under the  Company's stock-based compensation  plans will  become
    available for future sale in the public market at prescribed times. Sales
    of a significant number  of shares of Common  Stock in the public  market
    could adversely  affect  the  market  price  of  the  Common  Stock.  See

                                       10
PAGE
<PAGE>





    "Relationship and Potential  Conflicts of Interest  with Thermo  Electron
    and ThermoTrex" and  "Shares Eligible for Future Sale."
     
      Potential Volatility  of Stock  Price. Since  public trading  of th
      -------------------------------------
    Company's Common  Stock commenced  in  June 1996,  the market  price  has
    fluctuated considerably, and it may continue to fluctuate in the  future.
    Factors  such  as  fluctuations  in  the  Company's  operating   results,
    announcements of technological innovations  or new contracts or  products
    by the Company or its  competitors, government regulation and  approvals,
    developments in patent or other proprietary rights and market  conditions
    for stocks of companies similar to  the Company could have a  significant
    impact on the market price of the Common Stock. 

      Lack of Dividends .    The Company anticipates that for  the foreseeable
      -----------------
    future the Company's earnings,  if any, will be  retained for use in  the
    business and that  no cash dividends  will be paid  on the Common  Stock.
    Declaration of  dividends on  the Common  Stock will  depend upon,  among
    other things, future earnings, the  operating and financial condition  of
    the Company, its  capital requirements and  general business  conditions.
    See "Dividend Policy." 


                           PRICE RANGE OF COMMON STOCK

       The Company's Common Stock has been publicly traded on the American
    Stock Exchange since June 27, 1996.  The following sets forth, for the
    calendar period indicated, the high and low sales prices on the American
    Stock Exchange.

                                            High      Low
                                            ----      ---
    Fiscal 1996
    -----------
    Third Quarter 
    (June 27, 1996 through June 28, 1996)   $19.25    $15.375

    Fourth Quarter                          $26.00    $17.875

    Fiscal 1997
    -----------
    First Quarter 
    (through December 20, 1996)             $20.25    $14.375

       As of December 20, 1996, there were approximately 830 record holders
    of Common Stock.


                                 DIVIDEND POLICY

      The Company anticipates that for the foreseeable future  the Company's
    earnings, if any, will be  retained for use in  the business and that  no
    cash dividends will be paid on the Common Stock. 







                                       11
PAGE
<PAGE>





                                 CAPITALIZATION

         The following table sets forth the capitalization of the Company as
    of September 28, 1996 and as adjusted to reflect the issuance and sale by
    the Company of 300,000 shares of Common Stock at $14.50 per share on
    December 19, 1996, for net proceeds of $4,215,000, after deducting
    placement agent commissions and estimated offering expenses payable by
    the Company.

                                                       September 28, 1996
                                                     ----------------------
                                                       Actual   As Adjusted
                                                     --------   -----------
                                                     (In thousands, except
                                                          share amounts)

    Long-term Obligations:
      Subordinated convertible note, due to
        parent company                               $  8,000     $  8,000
      Other                                               109          109
                                                     --------     --------

                                                        8,109        8,109
                                                     --------     --------

    Shareholders' Investment:
      Common stock, $.01 par value, 50,000,000
        shares authorized; 28,592,630 shares
        issued and outstanding and 28,892,630
        shares as adjusted (1)                            286          289
      Capital in excess of par value                  139,667      143,879
      Retained earnings                                 9,344        9,344
                                                     --------     --------

        Total Shareholders' Investment                149,297      153,512
                                                     --------     --------

          Total Capitalization (Long-term
            Obligations and Shareholders'
            Investment)                              $157,406     $161,621
                                                     ========     ========
    ____________________
    (1)
    Does not include 1,925,000 shares  of Common Stock reserved for  issuance
    under the Company's stock-based compensation plans and 678,541 shares  of
    Common Stock reserved  for issuance  upon conversion  of the  outstanding
    principal amount of the Convertible  Note. Options to purchase  1,655,500
    shares of Common Stock were  outstanding under the Company's  stock-based
    compensation plans as of December 13, 1996. See  "Managment--Compensation
    of Directors" and "Executive Compensation" and Notes 4 and 5 of Notes  to
    Consolidated Financial Statements.





                                      SELECTED FINANCIAL INFORMATION
<TABLE>

    The selected financial information below as of and for the fiscal years ended 
September 30, 1995, and for the fiscal year ended December 31, 1994 has been deriv
Consolidated Financial Statements, which have been audited by Arthur Andersen LLP,
accountants, as indicated in their report included elsewhere in this Prospectus. T
information as of and for the fiscal year ended January 1, 1994 and as of December
derived from the Company's Consolidated Financial Statements which have been audit
LLP, but have not been included in this Prospectus. The selected financial informa
year ended January 2, 1993, and the twelve months ended September 30, 1995 has not
the opinion of the Company, includes all adjustments (consisting only of normal, r
necessary to present fairly such information in accordance with generally accepted
applied on a consistent basis.

<CAPTION>
                                                       Nine Months
                                  Year Ended (1)          Ended
                              ----------------------
                              Sept. 28,    Sept. 30,    Sept. 30,              Fis
                                                                     -------------
                               1996 (5)    1995 (2,4)  1995 (1,2,4)       1994
                              ----------------------------------------------------
                                                (In thousands, except per share amo
                                 <C>           <C>         <C>          <C>
Statement of Income Data:
Revenues                       $150,195     $ 70,505     $ 55,291     $ 54,410
                               --------     --------     --------     --------
Costs and Operating Expenses:
  Cost of revenues               86,642       36,320       28,180       27,794
  Selling, general and
    administrative expenses      27,156       15,652       12,174       13,272
  Research and development
    expenses                     18,862       11,937        8,595       10,662
                               --------     --------     --------     --------

                                132,660       63,909       48,949       51,728
                               --------     --------     --------     --------

Operating Income (Loss)          17,535        6,596        6,342        2,682
Interest and Other Income
  (Expense), Net                    (23)          11           22          (22)
                               --------     --------     --------     --------
Income (Loss) Before Income
  Taxes                          17,512        6,607        6,364        2,660
Income Tax Provision (Benefit)    8,168        3,015        2,881        1,466
                               --------     --------     --------     --------
Net Income (Loss)              $  9,344     $  3,592     $  3,483     $  1,194
                               ========     ========     ========     ========

</TABLE>
PAGE
<PAGE>

                              SELECTED FINANCIAL INFORMATION -- (Continued)
<TABLE>

<CAPTION>
                                                       Nine Months
                                  Year Ended (1)          Ended
                              ----------------------
                              Sept. 28,    Sept. 30,    Sept. 30,              Fis
                                                                     -------------
                               1996 (5)    1995 (2,4)  1995 (1,2,4)       1994
                              ----------------------------------------------------
                                                (In thousands, except per share amo
                                <C>           <C>           <C>          <C>      
Earnings (Loss) per
  Share (6):
    Primary                    $    .40     $    .18     $    .17     $    .06
                               ========     ========     ========     ========
    Fully diluted              $    .38     $    .18     $    .17     $    .06
                               ========     ========     ========     ========
Weighted Average Shares (6):
    Primary                      23,483       20,151       20,151       20,151
                               ========     ========     ========     ========
    Fully diluted                26,550       20,151       20,151       20,151
                               ========     ========     ========     ========
Balance Sheet Data
  (at end of period):
Working Capital                $ 59,834                  $ 13,171     $  8,584
Total Assets                    200,850                   102,374       48,000
Long-term Obligations             8,109                         -            -
Shareholders' Investment        149,297                    80,010       37,033
____________________
(1) All periods presented include ThermoTrex's research and development business p
    CT system.
(2) In September 1995, the Company changed its fiscal year-end from the Saturday n
    the Saturday nearest September 30. Accordingly, the Company's transition perio
    to September 30, 1995 ("fiscal 1995") is presented. The unaudited data for the
    September 30, 1995 is presented for comparative purposes only.
(3) Includes the results of Lorad since its acquisition by ThermoTrex in November
(4) Includes the results of Bennett since its acquisition by ThermoTrex in Septemb
(5) Reflects the May 1996 and September 1996 acquisitions of XRE and Continental, 
    net proceeds of the Company's private placements in November 1995 and January 
    offering in July 1996.
(6) Pursuant to Securities and Exchange Commission requirements, earnings (loss) p
    presented for all periods. Weighted average shares for all periods include the
    issued to ThermoTrex in connection with the initial capitalization of the Comp
    the assumed exercise of stock options issued within one year prior to the Comp
    offering.
</TABLE>










                                      1212
PAGE
<PAGE>





                  SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)

                                        Fiscal 1996

                           First      Second    Third (1) Fourth (2)
                          Fourth (2)                      Fourth (2)
                          (in thousands, except per share amounts)

     Revenues               $32,509    $34,320   $36,681     $46,685
     Gross Profit            14,261     14,976    15,961      18,355

     Net Income               1,626      2,108     2,169       3,441
     Earnings per share
           Primary             0.08       0.10      0.10        0.12

           Fully               0.08       0.09      0.09        0.12
                                      Fiscal 1995 (3)

                           First      Second    Third (4)
                          (in thousands, except per share amounts)

     Revenues               $16,101    $17,197   $21,993 
     Gross Profit             8,116      8,575    10,420 

     Net Income                 857      1,344     1,282 
     Earnings per share        0.04       0.07      0.06 
                                        Fiscal 1994

                           First      Second      Third     Fourth
                          (in thousands, except per share amounts)

     Revenues               $11,886    $13,214   $14,096     $15,214

     Gross Profit             6,115      6,542     6,885       7,074
     Net Income                 354        329       402         109

     Earnings per share        0.02       0.02      0.02        0.01

    (1)  Reflects the acquisition of XRE in May 1996.
    (2)  Reflects the acquisition of Continental in September 1996.
    (3)  In September 1995, the Company changed its fiscal year end from the
         Saturday nearest December 31 to the Saturday nearest September 30.
         Accordingly, the Company's 39-week transition period ended
         September 30, 1995 is presented.
    (4)  Includes the results of Bennett since its acquisition by ThermoTrex
         in September 1995.











                                       15
PAGE
<PAGE>





                      MANAGEMENT'S DISCUSSION AND ANALYSIS
                OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

    Overview

      The Company designs,  manufactures, and markets  mammography equipment
    and  minimally  invasive  stereotactic  breast-biopsy  systems,   general
    radiography (X-ray) equipment, and X-ray imaging systems used for cardiac
    catheterization and angiography, as well as radiographic fluoroscopy. The
    Company sells  its systems  worldwide principally  through a  network  of
    independent dealers. In  addition, the  Company manufactures  mammography
    and radiography systems as an  original equipment manufacturer (OEM)  for
    other medical equipment companies such as  U.S. Surgical,
   GE  and  Philips .
    The  Company  has  four  operating   units:  Lorad,  a  manufacturer   of
    mammography  and   stereotactic   breast-biopsy   systems;   Bennett  ,  a
    manufacturer  of  general  X-ray   and  mammography  equipment;  XRE  ,  a
    manufacturer of X-ray imaging systems used in the diagnosis and treatment
    of  coronary   artery  disease   and  other   vascular  conditions;   and
    Continental     , a  manufacturer  of general-purpose  and  specialized
    X-ray
    systems.

      The Company conducts all of its manufacturing operations in the United
    States  and  sells  its  products  on  a  worldwide  basis.  The  Company
    anticipates that an increasing  percentage of its  revenues will be  from
    export sales. The Company's export sales are denominated in U.S. dollars;
    therefore,  neither  its  revenue  nor  its  earnings  are  significantly
    affected by exchange rate fluctuations.

    Results of Operations

      In September 1995, the  Company changed its  fiscal year end  from the
    Saturday nearest  December  31  to the  Saturday  nearest  September  30.
    Accordingly, the results of operations  for 1996 compares the year  ended
    September 28, 1996 (fiscal 1996) with the unaudited year ended  September
    30, 1995 (1995).  The results of  operations for 1995  compares the  nine
    months ended September  30, 1995  (fiscal 1995) with  the unaudited  nine
    months ended October 1, 1994 (fiscal 1994).

    Fiscal 1996 Compared With 1995
    ------------------------------

      Revenues increased 113%  to $150.2 million  in fiscal 1996  from $70.5
    million in 1995. Revenues increased $56.2 million due to the acquisitions
    of Bennett, XRE, and Continental.

      Revenues at  Lorad  increased  35%  in  fiscal  1996     as  a  result of
    increased demand  for  mammography, biopsy,  and  nondestructive  testing
    (NDT) systems, and lasers sold to ThermoLase Corporation  ("ThermoLase"),
    a majority-owned subsidiary of ThermoTrex.

      Under an OEM agreement with U.S. Surgical entered into in fiscal 1996,
    Lorad has agreed to  manufacture biopsy systems for  U.S. Surgical to  be
    marketed and sold under the U.S. Surgical product name of Advanced Breast
    Biopsy Instrument (ABBI). In fiscal 1996, sales to U.S. Surgical  totaled
    $16.9 million.


                                       16
PAGE
<PAGE>





      The gross profit margin  declined to 42%  in fiscal 1996, from  48% in
    1995, due primarily to the inclusion of lower-margin revenues at  Bennett
    and XRE.

      Selling, general  and  administrative  expenses  as  a  percentage  of
    revenues decreased to 18% in fiscal 1996 from 22% in 1995, due  primarily
    to increased revenues  at Lorad and  the inclusion of  the operations  of
    Bennett and  XRE,  which  incurred  lower expenses  as  a  percentage  of
    revenues. Research and development expenses increased to $18.9 million in
    fiscal 1996 from  $11.9 million  in 1995, due  to the  inclusion of  $4.2
    million of expense at Bennett and XRE and the Company's continued efforts
    to develop and  commercialize new products  including the Company's  M-IV
    mammography system (first shipped in the fourth quarter of fiscal  1996),
    full-breast  digital  mammography  system,  and  direct-detection   X-ray
    sensor, as  well as  enhancements of  existing systems.  Under a  license
    agreement between the Company  and ThermoTrex, the  Company may elect  to
    expend approximately $2.0 million each  year during fiscal 1997 and  1998
    for additional research and development and to expand the field of use in
    which it is entitled to use ThermoTrex's direct-detection digital imaging
    technology.  See Note 9 of Notes to Consolidated Financial Statements.

      Interest income in  fiscal 1996  primarily represents  interest income
    earned on the invested proceeds from the Company's private placements  of
    common stock  in  November 1995  and  January 1996,  and  initial  public
    offering in  July  1996.  Interest  expense  in  fiscal  1996  represents
    interest  associated  with  the  $42.0  million  principal  amount   4.2%
    subordinated convertible note  issued to  ThermoTrex in  October 1995  in
    connection with the Bennett  acquisition. As of  September 28, 1996,  the
    outstanding balance of this note was $8.0 million, due to the  conversion
    by ThermoTrex of $34.0 million principal amount.

      The effective tax rate  was 47% in  fiscal 1996, compared with  46% in
    1995. The effective  tax rates  exceed the statutory  federal income  tax
    rate due primarily to the impact of state income taxes and  nondeductible
    amortization of cost in excess of net assets of acquired companies.

      The Company is a defendant  in certain patent litigation  and has been
    notified that it allegedly infringes certain other technologies owned  by
 third parties.
     See Notes 3  and 11    of Notes to  Consolidated Financial
    Statements . While an unfavorable outcome of one or more of these  matters
    could have  a  material  adverse  effect  on  the  Company's  results  of
    operations, the Company  does not  believe that it  is  reasonably likely
    that any  resolution  would  have  a material  effect  on  the  Company's
    financial position.

    Fiscal 1995 Compared With Fiscal 1994
    -------------------------------------

      Revenues increased  41% to  $55.3 million  in fiscal  1995 from  $39.2
    million in fiscal 1994. The  increase resulted from higher demand  across
    all product  lines, with  significant  growth coming  from  international
    sales through the  Company's OEM  agreement with  Philips. Revenues  from
    Philips were $9.8 million in fiscal  1995, compared with $4.1 million  in
    fiscal 1994. Export sales accounted for 21% of the Company's revenues  in
    fiscal 1995, compared with 11% in fiscal 1994.


                                       17
PAGE
<PAGE>





      The gross profit  margin declined to  49% in  fiscal 1995 from  50% in
    fiscal 1994,  due  to  an  adjustment to  expense  of  $0.3  million  for
    inventory revalued at the time of Bennett's acquisition.

      Selling, general  and  administrative  expenses  as  a  percentage  of
    revenues decreased to  22% in fiscal  1995 from 25%  in fiscal 1994,  due
    primarily  to  increased  revenues.  Research  and  development  expenses
    increased to $8.6  million in  fiscal 1995  from $7.3  million in  fiscal
    1994,  reflecting  the  Company's   continued  efforts  to  develop   and
    commercialize the  full-breast digital  mammography  system, as  well  as
    enhancements of existing systems.

      The effective tax rate  was 45% in  fiscal 1995, compared with  55% in
    fiscal 1994. The effective tax rates exceed the statutory federal  income
    tax  rate  due  primarily  to  the  impact  of  state  income  taxes  and
    nondeductible amortization of cost  in excess of  net assets of  acquired
    companies. The decrease in the effective  tax rate in 1995 resulted  from
    the lower relative impact of nondeductible amortization of cost in excess
    of net assets of acquired companies and state income taxes.

    Liquidity and Capital Resources

      Consolidated working capital was $59.8 million  at September 28, 1996,
    compared with $13.2 million  at September 30,  1995. Included in  working
    capital are cash and cash equivalents  of $34.0 million at September  28,
    1996 and  $0.2  million at  September  30,  1995. Net  cash  provided  by
    operating activities was $6.0 million in fiscal 1996. In fiscal 1996, the
    Company funded an  increase in  accounts receivable of  $7.7 million  due
    primarily  to  September  1996  shipments  of  the  Company's  new   M-IV
    mammography system.

      The Company expended $3.1 million on purchases  of property, plant and
    equipment during fiscal 1996. The Company expects to expend approximately
    $6.0 million for purchases of property, plant and equipment during fiscal
    1997.

      In connection  with  the  October  1995  acquisition of  Bennett,  the
    Company issued to  ThermoTrex a  $42.0 million  principal amount  4.2%   
    subordinated convertible note. During  fiscal 1996, ThermoTrex  converted
    $34.0 million principal  amount into  2,883,798 shares  of the  Company's
    common stock.

      In May 1996, the Company acquired substantially all  of the assets and
    liabilities of XRE for approximately $18.5  million in cash, net of  cash
    acquired and  including the  repayment of  debt.   In September  1996, the
    Company acquired  substantially  all of  the  assets and  liabilities  of
    Continental for approximately $18.4 million in cash, net of cash acquired
    and including the repayment of debt.

      In  November  1995,  January  1996  and  December  1996,  the  Company
    completed private placements of 1,862,000,  100,000 and 300,000 shares of
    its common stock  for net  proceeds of  $17.6 million,   $1.1 million  and
    $4,215,000, respectively. In July 1996, the Company sold 2,875,000 shares
    of its common stock in an initial public offering, and 871,832 shares  of


                                       18
PAGE
<PAGE>





    its common stock  in a concurrent  rights offering, for  net proceeds  of
    $49.1 million. 

      Although the  Company expects  to  have positive  cash  flow from  its
    existing operations, the Company may require significant amounts of  cash
    for any acquisition of a business or technology. The Company expects that
    it will finance any such  acquisitions through a combination of  internal
    funds, additional debt or equity financing, and/or short-term  borrowings
    from ThermoTrex or  Thermo Electron,  although it has  no agreement  with
    these companies  to ensure  that funds  will be  available on  acceptable
    terms or  at  all.  The  Company  believes  its  existing  resources  are
    sufficient to meet  the capital requirements  of its existing  operations
    for the foreseeable future.


                                    BUSINESS
                                    --------

The Company     designs,  manufactures,  and markets  mammography  equipme
    and minimally invasive  stereotactic breast  -biopsy systems used  for the
    detection of  breast  cancer,  as well  as    general radiography  (X-ray)
    equipment.  In  addition,  the  Company  manufactures  specialized  X-ray
    equipment, including imaging systems used in the diagnosis and  treatment
    of  coronary   artery  disease   and  other   vascular  conditions,   and
    radiographic fluoroscopy (R/F) systems used to diagnose  gastrointestinal
    (GI) disorders and other conditions.

      The  Company,         incorporated  in  September  1995  as  a  wholly
   owned subsidiary of  ThermoTrex  Corporation  (ThermoTrex),
    consists       of  four
    operating  units:  Lorad,  Bennett   X-Ray  Corporation  (Bennett),   XRE
    Corporation (XRE), and  Continental X-Ray  Corporation (Continental).  In
    October 1995,  the Company  acquired  all of  the outstanding  shares  of
    capital stock of Bennett from ThermoTrex in exchange for a $42.0  million
    principal amount  4.2%  subordinated  convertible  note  (of  which  $8.0
    million  remains   outstanding).  Also   in  October   1995,   ThermoTrex
    contributed all  of the  assets  and liabilities  relating to  its  Lorad
    division and the  development of its  Sonic CT(TM) (Computed  Tomography)
    s ystem to  the Company in exchange for 20,000,000 shares of the Company's
    common stock.  In May 1996, the Company acquired substantially all of the
    assets and liabilities of  XRE for approximately  $18.5 million in  cash,
    net of cash acquired  and including the repayment  of debt. In  September
    1996,  the  Company  acquired  substantially   all  of  the  assets   and
    liabilities of Continental for approximately  $18.4 million in cash,  net
    of cash acquired and including the repayment of debt.

      E   ach unit  specializes in  manufacturing a particular  type of  imaging
    equipment for different market segments.  Through its L orad  division, the
    Company manufactures  and  markets  mammography  and  minimally  invasive
   stereotactic  breast     -biopsy  systems,  which  provide  a
  cost-effective,
    less-invasive alternative to  open surgery for  the biopsy of  suspicious
    breast   lesions.   Bennett's   primary   product   line   consists    of
    general-purpose  X-ray   equipment,   but   Bennett   also   manufactures
    mammography systems, a stereotactic breast-biopsy system, and X-ray units
    used by  chiropractors and  veterinarians. XRE  manufactures and  markets
    X-ray  imaging  systems  used  by  interventional  cardiologists  in  the
    diagnosis and  treatment  of blockages  in  coronary arteries  and  other

                                       19
PAGE
<PAGE>





    vessels.  XRE  also  manufactures  electrophysiology  products  that  aid
    doctors  in  diagnosing  and  treating  cardiac  arrhythmia.  Continental
    manufactures and markets  a broad line  of general-purpose and  specialty
    X-ray systems, including    R/F systems used to  diagnose GI disorders  . In
    addition,  Continental
    manufactures  electrophysiology   products  and
    mammography systems.

      The Company  also  manufactures  the specialized  hair-removal  lasers
    purchased by  its  sister  company,  ThermoLase,  another  majority-owned
    subsidiary of ThermoTrex,   
    and   nondestructive testing systems, which  are
    used by the  military to  test
    aircraft for stress  fractures and     other
    defects.

      The Company is currently developing a  full-breast digital mammography
    system that is intended to be capable of higher image quality. The system
    is designed to  enhance the  X-ray image  through software  and to  allow
    near-real-time analysis . The Company  expects that it will be possible to
    electronically transmit  these  images  to  allow  off-site  analysis  by
    another radiologist.
 The  Company  believes  this  technology  may  also
    provide better images  of dense breast  tissue, which is  often found  in
    younger women. The Company  is currently   collecting clinical data  to be
    submitted with the Company's 510(k) application to the U.S. Food and Drug
    Administration (FDA), which       must grant  market  clearance
    before t
    system can  be  sold commercially. The  Company  has designed  its  new,
    high-end  conventional  mammography  systems  so  that  radiologists  can
    upgrade to  digital technology  when it  becomes available.  The  Company
    believes that the  digital imaging  technology being  developed for  this
    system may  be  adaptable  to its  general  and  specialized  radiography
    systems, and  the Company  will  seek to  develop applications  in  these
    markets. The Company is  also working on a  more advanced version of  its
    digital  technology,  which  incorporates  a  flat-panel,  direct-digital
    detector and could provide still more information for earlier diagnoses.

    Breast Cancer Detection

      Mammography Systems.    Most  experts agree  that mammography,  the  X-ray
      --------------------
    imaging of breast tissue, is the best method for detecting breast cancer.
    The Company designs, manufactures,  and markets mammography systems  that
    are generally differentiated on the  basis of price and performance.  The
    Company's high-end models are the recently introduced Lorad M-IV and  the
    Bennett Contour.  Many of  the Lorad  M-IV's features  were developed  in
    response to  user demands,  including  the ability  to be  upgraded.  The
    Bennett Contour offers a patented tilt  C-arm that permits the system  to
    tilt toward or away from the patient to aid in imaging breast tissue. The
    Company's lower-priced models are the Lorad M-III and the Bennett MF-150,
    which do not offer  all of the  features of the  high-end models and  are
    marketed to  more  cost-conscious  customers. In  addition,  the  Company
    offers the Lorad T-350 and the Bennett MD-5 mobile mammography systems.

      Successful imaging  of  dense  breast  tissue  requires  high-contrast
    images.  The  Company  recently   introduced  a  new  proprietary   High-
    Transmission Cellular (HTC)(TM) grid that, compared with existing  grids,
    reduces X-ray scattering while  blocking fewer primary X-rays,  resulting
    in higher-contrast images  with lower  radiation doses. The  HTC grid  is


                                       20
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    currently available  on the  Lorad  M-IV and  will  be available  on  the
    Bennett Contour.

      The Company  currently has  prototype full-breast  digital mammography
    systems in operation at  Good Samaritan Hospital in  New York and at  the
    University of Virginia Medical Center. The Company expects to submit data
    collected using  this  prototype  to  the FDA  for  clearance,  which  is
    required before  the  Company  can commercially  market  its  full-breast
    digital imaging system.

      The Company  is  currently  developing a  next-generation  full-breast
    digital mammography  system,  which would  replace  the  film with  a    
    solid-state detector capable of directly recording the X-ray image in  an
    electronic format. The system is designed to substantially increase image
    contrast without a significant decrease in image resolution.

      The Company believes that demand in the market for mammography systems
    is driven primarily  by technological innovation  that results in  better
    image quality. Although growth of  the installed base has slowed,  demand
    for new  systems  continues  as  older models  are  replaced  with  those
    offering technological  innovations. In  addition, the  Company  believes
    that the market  outside the United  States will grow  as more  countries
    adopt mammography quality standards similar to those recently adopted  in
    the United States.

      Minimally Invasive Stereotactic Breast-biopsy  Systems. Mammography  is
      -------------------------------------------------------
    only one of  the first  steps in  the diagnosis  of breast  cancer. If  a
    mammogram reveals a suspicious lesion that cannot be identified as benign
    or malignant, the next  step typically is to  perform a biopsy to  remove
    cells from the  suspicious lesion to  determine whether or  not they  are
    cancerous.

      Traditionally, biopsies  have  been performed  in  open surgery  under
    general anesthetic.  Surgical biopsies  can  be painful  procedures,  and
    surgeons generally remove a large area  of breast tissue, about the  size
    of a golf ball,  to ensure the collection  of tissue from the  suspicious
    lesion. These surgeries can leave visible scarring on the breast and scar
    tissue in the breast that can make detecting cancers in future mammograms
    more difficult.

      The Company  offers  a  variety  of  minimally  invasive  stereotactic
    breast-biopsy systems  that provide  an alternative  to surgical  biopsy.
    These stereotactic breast-biopsy systems  were introduced to address  the
    disadvantages of  open  surgical  biopsy  and  can  be  performed  on  an
    outpatient basis  under  local  anesthetic.  These  procedures  generally
    remove only a small tissue sample, resulting in minimal scarring both  on
    and in the breast.

      The Company offers  a dedicated prone  table, the  StereoGuide(R), for
    customers that perform  a significant number  of biopsy procedures.  With
    the dedicated  prone  table,  the  patient  lies  down  with  her  breast
    suspended through an aperture in the table. X-ray imaging equipment and a
    needle-gun attachment (not manufactured by the Company) are mounted below
    the table. Patients on the  prone table are more comfortable,  increasing
    the likelihood they will  remain still during  the procedure, and  cannot

                                       21
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    see the  needle being  inserted in  the breast,  reducing the  chance  of
    fainting. Recent  studies indicate  that  stereotactic needle  biopsy  is
    equally effective compared with surgical biopsy in determining whether  a
    suspicious lesion is malignant. The typical cost of a stereotactic needle
    biopsy procedure is  approximately one  third of  the price  for an  open
    surgical biopsy. The  Company's StereoGuide  system is the  subject of  a
    lawsuit alleging infringement of a Fischer Imaging Corporation  (Fischer)
    patent. See "Business - Legal Proceedings."

      The Company also offers upright, add-on systems,  the StereoLoc II and
    the Cytoguide, that can be attached  to most of its mammography  systems.
    Add-on systems principally consist of  a needle-gun attachment that  fits
    onto the mammography  system in place  of the breast-compression  paddle.
    The stereotactic images required to plot  the location of the lesion  are
    taken by the mammography system. These systems enhance the  functionality
    of a mammography  system and are  beneficial to customers  who have  only
    periodic demand for stereotactic needle-biopsy procedures.

      The Company  offers a  digital spot  imaging  option with  all of  its
    stereotactic breast-biopsy systems. Although  not capable of imaging  the
    entire breast,  digital spot  imagers are  capable of  capturing an  area
    large enough to  cover a  suspicious lesion. The  Company's digital  spot
    imaging systems can record and display an X-ray image in approximately 10
    seconds. Since the image is recorded in electronic format, a computer can
    quickly plot the location of the lesion  and aim the needle gun once  the
    lesion has  been  located  with  a  cursor  on  the  computer  screen.  A
    stereotactic breast-biopsy procedure  using digital spot  imaging can  be
    performed in as short a time as 10 minutes, compared with a typical  time
    of 45 minutes using a film-based system.

      The Company believes that the stereotactic breast-biopsy system market
    will grow as the  procedure becomes more widely  accepted by the  medical
    community and as pressures to contain healthcare costs increase. 

    General Radiography

      The Company addresses the  general radiography (X-ray)  market through
    its Bennett and Continental subsidiaries. Bennett designs,  manufactures,
    and markets office-based X-ray systems, which are basic systems generally
    used in  medical  outpatient facilities,  such  as doctors'  offices  and
    surgi-care centers. Bennett has focused on this segment of the market  by
    providing  low-cost,  reliable  systems.  Bennett  and  Continental  also
    design, manufacture,  and market  the  more sophisticated  and  expensive
    radiographic  systems  typically  used  in  hospitals  and  clinics.   In
    addition, Bennett  manufactures  and  markets  imaging  systems  designed
    specifically for chiropractors and veterinarians.

      The U.S.  market for  general X-ray  systems is  stable, and  consists
    primarily of replacement sales as customers upgrade older equipment.  The
    Company believes that  the international market  is substantially  larger
    than the U.S.  market and  that the installed  base of  systems is  still
    growing, particularly in developing  countries. The Company has  recently
    expanded its international sales efforts. 



                                       22
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<PAGE>





      The Company's radiographic  systems typically  include a  generator, a
    tube stand, and a table or bucky structure to hold the film. For each  of
    these components the  Company offers  a variety of  options and  features
    that can  be  configured  to  create systems  with  different  price  and
    performance  characteristics.  A  high-end,  hospital-based  system   may
    consist of  a 60-kilowatt,  high-frequency generator;  a  ceiling-mounted
    overhead tube crane; a four-way floating, elevating table; and an upright
    bucky stand.  An  office-based  system  may  consist  of  a  25-kilowatt,
    high-frequency generator; a floor-mounted, free-standing tube stand;  and
    an upright bucky  stand. The Company's  general radiography product  line
    features high-frequency generators with anatomical programming and  other
    operator-selected features.

      The Company offers two  linear tomography systems: the  Bennett BT-300
    and    the    Continental    Precision    Movement    Tomography    (PMT)
    radiographic/tomographic system. In  a linear  tomography procedure,  the
    X-ray tube sweeps over  the patient in one  direction with the film  tray
    sweeping under the patient in the opposite direction. The resulting image
    provides an unobstructed  view at  a desired plane  within the  patient's
    body, of the  kidneys, for  example. The  Continental PMT  system uses  a
    patented robotic positioning system to rapidly position the equipment and
    the patient for either tomographic or general radiography procedures. The
    Company believes that for a number of applications its tomography systems
    may be a cost-effective alternative to computed tomography scanners.

      The Company believes digital imaging will have significant application
    in  the  general  and  specialized  radiographic  markets  and  that  the
    technology it develops for its full-breast digital imaging system may  be
    adaptable to  these  applications.  In general  X-ray  applications,  the
    Company believes digital imaging will  produce better quality images  and
    reduce operating  costs  by eliminating  the  need for  film,  processing
    equipment, and chemicals.  In addition, digital  imaging will permit  the
    electronic storage of images on magnetic or optical media, as well as the
    transmission of images  to multiple locations.  Furthermore, the  Company
    believes digital imaging  could make  the image  intensifiers, which  are
    large and expensive components in certain imaging systems, obsolete.

    Cardiac Catheterization, Angiography, and Electrophysiology

      In May 1996, the  Company acquired XRE, a  designer, manufacturer, and
    marketer of complete  cardiac catheterization  laboratories (also  called
    cath labs)  and positioners  for  cardiovascular imaging  systems.  XRE's
    imaging equipment is used in cath labs where angiography (examination  of
    the blood vessels using X-rays following the injection of a  radio-opaque
    contrast medium)  is performed  by  an interventional  cardiologist.  XRE
    systems consist of a mechanical positioner, which is used to position  an
    X-ray source and an image intensifier around a patient who lies prone  on
    an angiographic table. The entire system is designed to provide real-time
    images of  the  heart and  coronary  arteries for  physicians  performing
    interventional procedures,  such as  a  diagnostic angiogram  or  balloon
    angioplasty.

      Coronary artery disease is  the leading cause  of death in  the United
    States and represents an increasing health risk throughout the world. One
    of the most  common forms of  cardiovascular disease is  atherosclerosis,

                                       23
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<PAGE>





    which can lead to atheroma, or  a narrowing of the arteries. In  addition
    to the coronary arteries, atherosclerosis can effect blood vessels in the
    brain, legs, and arteries throughout the body.

      Traditionally, angiography has been the tool  of choice for diagnosing
    atherosclerosis and  certain  other cardiovascular  diseases  because  it
    provides the  clearest  and  most  accurate  depiction  of  the  coronary
    arteries. Cardiac angiography is  performed in a cardiac  catheterization
    laboratory and  involves  X-ray imaging  of  the heart  and  large  blood
    vessels following  the  injection of  a  radio-opaque solution  into  the
    patient.

      Historically, the  primary  form  of  treatment  for  coronary  artery
    disease has  been open-heart  bypass surgery.  However, in  recent  years
    significant advances have been made  in the treatment of  atherosclerosis
    and other coronary  artery diseases without  extensive surgery. A  common
    alternative treatment  is balloon  angioplasty, a  procedure in  which  a
    segment of a narrowed coronary artery is stretched by the inflation of  a
    balloon introduced into  the affected artery.  A more recent  development
    involves the permanent implantation of a  device called a stent into  the
    blood vessel in order to keep the restricted vessel open once it has been
    expanded by balloon angioplasty.

      Angioplasty and  stent placement  are less  invasive than  surgery and
    generally do not require lengthy hospitalization (typically no more  than
    two days). The Company believes vascular and cardiovascular surgeons will
    increasingly  use  balloon  angioplasty  and  these  other  less-invasive
    techniques to  treat vascular  diseases. These  procedures are  performed
    under the  guidance  of  X-ray  imaging such  as  that  provided  by  the
    Company's equipment.

      XRE's products include the Unicath C cardiovascular imaging system and
    the Unicath  LP  biplane  cardiovascular  imaging  system.  XRE  recently
    introduced the Unicath SP, its newest single-plane cardiovascular imaging
    system, with enhanced features such as  a larger X-ray tube and  advanced
    image intensifier with Full-Frame(TM) Zoom to further enhance the imaging
    of interventional devices such as stents.

      To complement its Unicath SP labs, XRE has developed a line of digital
    image processing systems, workstations, and archive alternatives. Each of
    these products  uses an  "open architecture"  to facilitate  connectivity
    with industry-standard  networks  and  storage devices.  XRE's  new  DVFX
    digital  video   filter   system   acquires,   enhances,   and   displays
    high-resolution images  at 30  frames  per second  to clearly  image  and
    freeze the motion of the heart.  The Unicath SP also has XRE's  exclusive
    Full-Frame  Zoom  feature,  which   further  improves  visualization   of
    interventional  devices  by  enlarging  the  presentation  on  TV   image
    monitors.

      Many of XRE's X-ray positioners are based on its parallelogram design.
    This design  permits  multi-angular  views  of  the  heart  and  coronary
    arteries while the patient remains stationary on the table.

        Both   XRE   and   Continental   design,   manufacture,   and   sell
    electrophysiology systems that are used in the diagnosis and treatment of

                                       24
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    cardiac arrhythmia, which is characterized by the sudden, erratic beating
    of the heart and  can result in cardiac  arrest. Both the Continental  EP
    2000 system  and XRE's  Unicath  EP consist  of  a C-arm  positioner,  an
    elevating/tilting table,  and  a high-frequency  X-ray  generator.  XRE's
    Unicath   EP   includes   a    parallelogram   positioner,   a    similar
    elevating/tilting table, and a constant-potential generator. In addition,
    XRE offers a biplane  version of Unicath EP,  which provides X-ray  views
    from two  different  angles simultaneously,  thereby  shortening  lengthy
    electrophysiology procedures by at least  half. Both XRE systems  feature
    variable-rate pulsed fluoroscopy with high-performance digital imaging.

    Radiographic Fluoroscopy Systems

      Through its Continental  subsidiary, acquired  in September  1996, the
    Company  designs,  manufactures,  and  markets  radiographic  fluoroscopy
    products. An R/F system is able  to record dynamic events by capturing  a
    series of images in a short period of time. For example, R/F systems  are
    used for various  gastrointestinal procedures to  image in real-time  the
    progress of a radio-opaque  ingested solution (typically barium)  through
    the digestive tract.

      Continental  produces  R/F   systems  using   advanced  high-frequency
    generators that provide pulsed power, resulting in substantially  reduced
    radiation exposure to the patient. Continental's R/F products include the
    new DigiSpot 2000, a high-speed  digital imaging system that records  the
    image in  an  electronic format,  permitting  the electronic  storage  of
    images on magnetic or  optical media, and the  transmission of images  to
    multiple locations with image quality comparable with film-based systems.

    Other Products

      The Company  uses  its technological  and  manufacturing expertise  to
    produce a number of other products.

      The  Company's  LPX-160  portable  imaging  system  is  based  on  the
    Company's medical imaging technology. This system is designed to  produce
    high-resolution images of metals, composites, and plastics. Customers for
    this system have included the United States Air Force, several commercial
    airlines, and Canadian and American utilities.

      The Company manufactures an X-ray  source that is used  as a component
    to a fill-measuring device  sold by Thermedics  Inc., a publicly  traded,
    majority-owned subsidiary of Thermo Electron. During fiscal 1996 sales of
    such devices under this arrangement totaled $361,000.

      The  Company  also  manufactures  the  lasers   used  in  ThermoLase's
    hair-removal process.  ThermoLase is  a publicly  traded,  majority-owned
    subsidiary of  ThermoTrex.  During fiscal  1996,  sales of  these  lasers
    totaled $8,549,000.  The  Company  has committed  to  deliver  additional
    lasers to  ThermoLase  under  this  arrangement  for  approximately  $6.4
    million. The Company anticipates that  these lasers will be delivered  in
    fiscal 1997.




                                       25
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<PAGE>





    Sales and Distribution

      The Company sells  its products  through a  worldwide network  of more
    than 100 independent dealers and, to a lesser extent, on a direct  basis.
    Each of the Company's operating units employs regional sales managers who
    oversee the  performance of  the independent  dealers on  a domestic  and
    international basis  and,  in  certain instances,  support  direct  sales
    efforts. The  Company and  its independent  dealers maintain  a staff  of
    factory-trained service technicians to support its systems on a worldwide
    basis.

    OEM Agreements

      In addition  to  manufacturing  and  marketing  its own  systems,  the
    Company manufactures systems and  system components as  an OEM for  other
    medical equipment  companies  such as     U.S. Surgical,
    GE      , Philip
    Picker International. See "Business - Dependency on a Single Customer." 

    Research and Development

      The Company  maintains  active programs  for  the  development of  new
    mammography and X-ray imaging systems. The Company's current  development
    efforts  are  focused  on  the  development  of  a  full-breast   digital
    mammography system, X-ray  sensors for  direct-detection digital  imaging
    technology, and  the enhancement  of existing  mammography products.  The
    Company believes that the digital  imaging technology developed for  this
    system also  will  be  readily  adaptable  to  general  radiographic  and
    diagnostic cardiac imaging systems.

      One of the  Company's long-term research  and development  programs is
    the development of  a Sonic CT  system that uses  acoustic waves to  form
    high-resolution  images  of  breast  tissue.  The  Company  has  deferred
    spending additional resources on Sonic CT at the present time, so that it
    may concentrate  its  resources  more directly  on  its  digital  imaging
    research and development.

      The Company is developing products based on digital imaging technology
    developed by scientists at ThermoTrex. ThermoTrex has granted the Company
    a fully  paid,  exclusive,  worldwide,  perpetual  license  to  use  such
    technology in the  fields of mammography  and general radiography.  Under
    the terms of the license agreement with ThermoTrex, if the Company elects
    to fund approximately $6 million of  the research and development in  the
    fields  of  radiographic  fluoroscopy,  mobile  C-arm  fluoroscopy,   and
    cardiography/angiography over a three-year period, the Company's  license
    will be extended  to cover  such fields. As  of September  28, 1996,  the
    Company had cumulatively funded  $1.8 million under  the agreement.   See
    "Relationship and Potential  Conflicts of Interest  with Thermo  Electron
    and ThermoTrex."

      Research and development expenses  of the Company were  $18.9 million,
    $8.6 million, and $10.7  million for fiscal 1996,  the nine months  ended
    September 30, 1995, and 1994, respectively.




                                       26
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    Competition

      The healthcare  industry  in  general,  and  the  market  for  imaging
    products in particular, is highly competitive. The Company competes  with
    a  number  of  companies,  many  of  which  have  substantially   greater
    financial, marketing, and other resources than the Company. The Company's
    competitors  include  large  companies  such  as  GE,  Philips,  Siemens
    Toshiba, Shimadzu,  and  Picker  International,  which  compete  in  most
    diagnostic imaging modalities,  including X-ray imaging.  In addition,  a
    significant portion of the Company's sales  are to U.S. Surgical, GE  and
    Philips through  OEM arrangements.  The products  sold through  such  OEM
    arrangements  compete  with  those  offered   by  the  Company  and
    independent  dealers.  The   Company's  StereoLoc   II,  Cytoguide,   and
    StereoGuide stereotactic  breast-biopsy  systems  compete  with  products
    offered by  GE,  Fischer  Imaging  Corporation,  and  Philips,  and  with
    conventional surgical biopsy  procedures. The Company  competes in  these
    markets primarily on the basis of product features, product  performance,
    and reputation as well  as price and service.   The Company believes that
    competition  is   likely  to   increase  as   a  result   of   healthcare
    cost-containment pressures and the development of alternative  diagnostic
    and  interventional   technologies.     See  "Risk   Factors  -   Intense
    Competition" and "- Technological Change and New Products."

    Patents and Proprietary Technology

      The Company's policy  is to protect  its intellectual  property rights
    and  to  apply  for  patent  protection  when  appropriate.  The  Company
    currently holds numerous issued United States patents expiring at various
    dates ranging  from 2003  to 2014.  The  Company also  has more  than  10
    applications pending for additional United States patents and a number of
    foreign counterparts for  its patents  in various  foreign countries.  In
    addition,  the  Company  has  registered  for  other  trademarks.  Patent
    protection provides the Company with competitive advantages with  respect
    to  certain  systems.  The  Company  believes,  however,  that  technical
    know-how and trade secrets are more important to its business than patent
    protection.

      Competitors of the Company and other third parties hold issued patents
    and pending patent  applications relating  to imaging  and other  related
    technologies, and  it  is  uncertain whether  these  patents  and  patent
    applications will require the Company to alter its products or processes,
    pay licensing fees,  or cease  certain activities.   See "Risks  Factors -
    Risks Associated  With  Pending  and Threatened  Patent  Litigation"  and
    "Business - Legal Proceedings."

    Government Regulation

      The  Company's   products   and   its   research,   development,   and
    manufacturing  activities   are  subject   to  regulation   by   numerous
    governmental authorities in the United States and other countries. In the
    United States, medical devices  are subject to  rigorous FDA review.  The
    federal Food, Drug and Cosmetic Act, the Public Health Services Act,  and
    other federal statutes and regulations  govern or influence the  testing,
    manufacture,  safety,  labeling,  storage,  record  keeping,   reporting,
    approval, advertising, and promotion of products such as those offered by

                                       27
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    the Company.  Noncompliance with  applicable requirements  can result  in
    fines, recalls, or seizures of  products, total or partial suspension  of
    production, and criminal prosecution.

      The Company is also subject to periodic inspections  by the FDA, whose
    primary  purpose  is  to  audit   the  Company's  compliance  with   Good
    Manufacturing  Practices  (GMP).  Enforcement  of  GMP  regulations   has
    increased significantly  in  the last  several  years, and  the  FDA  has
    publicly stated that compliance will be more strictly scrutinized. In the
    event that the Company or any of  its facilities was determined to be  in
    noncompliance, and to the  extent that the Company  or such facility  was
    unable to convince the FDA of the adequacy of its compliance, the FDA has
    the power  to  assert  penalties  or  remedies,  including  a  recall  or
    temporary suspension of product  shipments until compliance is  achieved.
    Such penalties or remedies  could have a material  adverse effect on  the
    Company's business and results of operations.

      The Company is also regulated  by the FDA under  the Radiation Control
    for Health and Safety Act of 1968 (Public Law 90-602), which specifically
    addresses radiation-emitting  products. Under  this law,  the Company  is
    responsible for submitting initial reports on all new X-ray systems  that
    require certification to FDA performance standards. The Company must also
    submit a quality  assurance and  test program  for FDA  review to  ensure
    continued compliance with X-ray performance standards.

      Historically, the Company  has been subject  to recalls of  certain of
    its products from time to time  under Public Law 90-602. Under this  law,
    any product  that is  not  in compliance  with the  relevant  performance
    standard must be repaired, refurbished, or returned at the manufacturer's
    expense.

      The Company believes  that compliance with  federal, state,  and local
    environmental regulations will not have a material adverse effect on  its
    capital expenditures,  earnings,  or  competitive position.    See  "Risk
    Factors - Government Regulation; No Assurance of Regulatory Approval" and
    "- Healthcare Reform; Uncertainty of Patient Reimbursement."

    Backlog

      The backlog of firm orders was $71.7 million as of September 28, 1996,
    compared with  $45.4  million  as  of  September    30, 1995.  The  Company
    anticipates that substantially all of the backlog at September 28,  1996,
    will be shipped during fiscal 1997.

    Raw Materials

      Raw materials, components, and  supplies purchased by the  Company are
    either available from a number of different suppliers or from alternative
    sources that could be developed without a material adverse effect on  the
    Company.  To  date,  the  Company  has  experienced  no  difficulties  in
    obtaining these materials.





                                       28
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    Seasonal Influences

      There are no significant seasonal influences on the Company's sales of
    products and services.

    Working Capital Requirements

      There are no special  inventory requirements or credit  terms extended
    to customers that would have a  material adverse effect on the  Company's
    working capital.

    Dependency on a Single Customer

      Revenues from  OEM  sales  of  a  modified  design  of  the  Company's
    stereotactic prone breast-biopsy  system to U.S.  Surgical accounted  for
    11% of the Company's total revenues in fiscal 1996.

    Facilities

      The Company  owns two  office and  manufacturing facilities:  a 63,500
    square-foot facility in Danbury,  Connecticut, and a 163,000  square-foot
    facility in Broadview, Illinois. The Company leases a 120,000 square-foot
    office and manufacturing facility  in Copiague, New  York, under a  lease
    expiring in 2005, a 156,000 square-foot office and manufacturing facility
    in Littleton, Massachusetts, under a lease expiring in 2012, and a 60,000
    square foot office  and manufacturing facility  in Danbury,  Connecticut,
    under a lease expiring in 2006.

      The Company believes that its facilities are in good condition and are
    suitable and adequate to meet current needs.

    Personnel

      As of September 28, 1996, the Company employed 992 persons.

    Legal Proceedings

      In April  1992,  Fischer  Imaging  Corporation (Fischer)  commenced  a
    lawsuit in  the  United  States District  Court,  District  of  Colorado,
    against  the  Company's  Lorad  division,  alleging  that  Lorad's  prone
    breast-biopsy  system  infringes   a  Fischer  patent on  a   precision
    mammographic needle-biopsy system. As of September 28, 1996, the  Company
    had recognized aggregate revenues of approximately $63.1 million from the
    sale of such systems,  of which $34.4 million  represents sales prior  to
    October 1,  1995.  The  suit  requests  a  permanent  injunction,  treble
    damages, and attorneys' fees and expenses. If the Company is unsuccessful
    in defending  this lawsuit,  it may  be enjoined  from manufacturing  and
    selling its  StereoGuide  system  without  a  license  from  Fischer.  No
    assurance can be given  that the Company  will be able  to obtain such  a
    license, if required,  on commercially  reasonable terms, if  at all.  In
    addition, the Company may be subject to damages for past infringement. No
    assurance can be given as to  the amount that the Company may  eventually
    be required to pay in expenses or  in such damages.  See "Risk Factors  -
    Risks Associated With Pending and Threatened Patent Litigation."


                                       29
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<PAGE>





      In connection with the organization of  the Company, ThermoTrex agreed
    to indemnify the Company for any and all cash damages in connection  with
    the Fischer  lawsuit with  respect  to sales  of the  Company's  products
    occurring prior  to  October 1995,  when  Lorad was  transferred  to  the
    Company. Notwithstanding  this  indemnification,  the  Company  would  be
    required to report as  an expense in its  results of operations the  full
    amount, including any reimbursable  amount, of any  damages in excess  of
    the amount accrued (approximately $2  million as of September 28,  1996),
    with any  indemnification  payment  it  receives  from  ThermoTrex  being
    treated as a contribution to shareholders' investment.


                RELATIONSHIP AND POTENTIAL CONFLICTS OF INTEREST
                       WITH THERMO ELECTRON AND THERMOTREX

      The Company  was  incorporated in  September  1995 as  a  wholly-owned
    subsidiary of  ThermoTrex. ThermoTrex  acquired  all of  the  outstanding
    capital stock of Bennett in September 1995 for approximately  $42,000,000
    in cash, net of cash acquired.  On October 2, 1995, the Company  acquired
    all of the outstanding shares of capital stock of Bennett from ThermoTrex
    in exchange  for  the  $42,000,000  principal  amount  Convertible  Note.
    Subsequently, on  October 16,  1995, ThermoTrex  contributed all  of  the
    assets and liabilities relating to its Lorad division and the development
    of its Sonic CT system to  the Company in exchange for 20,000,000  shares
    of Common Stock of the Company. 

      Thermo Electron has adopted a strategy of selling  a minority interest
    in subsidiary companies to outside investors as an important tool in  its
    future development. As part of this strategy, Thermo Electron and certain
    of  its  subsidiaries  have   created  publicly  and/or  privately   held
    majority-owned subsidiaries. The  Company and the  other Thermo  Electron
    subsidiaries are referred to herein as the "Thermo Subsidiaries." 

      In October  1995,  ThermoTrex granted  to  the Company  an  exclusive,
    paid-up, royalty-free license for the use of certain technology  relating
    to digital imaging  detectors in  the fields of  mammography and  general
    radiography.  Under  the   license  agreement,  if   the  Company   funds
    approximately $6 million of ThermoTrex's research and development of  the
    digital imaging  technology in  the fields  of  radiographic/fluoroscopy,
    mobile C-arm fluoroscopy and  cardiology/angiography over the next  three
    years,  then  ThermoTrex  will  be  obligated  to  grant  the  Company  a
    fully-paid, exclusive, worldwide, perpetual license  to use and sell  the
    digital  imaging  technology  in  these  fields.  The  license  agreement
    provides that ThermoTrex will manufacture  products based on the  digital
    imaging technology for the Company  in the applicable fields.  ThermoTrex
    will sell the  products to  the Company  at ThermoTrex's  cost until  the
    Company has received an amount of Net Profit (as defined below) from  the
    resale of such products equal to amounts paid by the Company for research
    and development  as set  forth  above less  any additional  research  and
    development costs incurred by ThermoTrex with the prior written  approval
    of the Company, and thereafter at ThermoTrex's cost plus one-half of  Net
    Profit. For purposes of  the preceding sentence,  "Net Profit" means  the
    difference between the prices  the Company receives  upon resale of  such
    products and the aggregate costs  of the Company and ThermoTrex  relating


                                       30
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<PAGE>





    to  such  sales.  As  of  September  28,  1996,  the  Company  had   paid
    approximately $1,800,000 to ThermoTrex under this arrangement. 

      The Company has  an arrangement  with the Tecomet  division of  Thermo
    Electron for the manufacture of the Company's proprietary HTC grid. Under
    this arrangement Tecomet manufactures the  grid for the Company  pursuant
    to written purchase  orders. The Company  owns the intellectual  property
    rights to the grid. During fiscal   1996, the Company purchased grids  for
    an aggregate  purchase  price  of $397,000     under  this  arrangement.  In
    addition, the Company  recorded expense  of $250,000  during fiscal  1996
    related to  research  and  development funding  provided  to  Tecomet  in
    connection with this project.

      Under an  arrangement with  ThermoLase,   the Company  manufactures the
    laser used in ThermoLase's hair-removal process. The Company manufactures
    these lasers for ThermoLase pursuant  to written purchase orders.  During
    fiscal 1996, the Company had sales of  $8,549,000  under this arrangement.
    The Company  has committed  to deliver  additional lasers  to  ThermoLase
    under this arrangement for approximately $6,400,000.

      Under an arrangement with  Thermedics Detection Inc., a  subsidiary of
    Thermedics Inc., a publicly-traded,  majority-owned subsidiary of  Thermo
    Electron, the Company  manufactures an X-  ray source that  is used as  a
    component to a  fill-measuring device produced  by Thermedics  Detection.
    The Company  manufactures these  X-ray sources  for Thermedics  Detection
    pursuant to  written  purchase  orders. During  fiscal   1996,  Thermedics
    Detection paid the Company $361,000 under this arrangement. 

      On October 2, 1995, in exchange  for all of the outstanding  shares of
    capital stock of  Bennett, the Company  issued the $42,000,000  principal
    amount Convertible  Note  to  ThermoTrex. The  Convertible  Note  has  an
    interest rate of  4.2% per annum  and is convertible  into shares of  the
    Company's Common Stock  at a  conversion price  of $11.79  per share.  In
    March 1996,  ThermoTrex  converted  $3,000,000 principal  amount  of  the
    Convertible Note into  254,452 shares of  Common Stock.    In July  1996,
    ThermoTrex converted an  additional $31,000,000 principal  amount of  the
    Convertible Note into 2,629,346 shares of Common Stock.

      ThermoTrex, in  addition to  providing the  Company's medical  imaging
    products, supplies  laser-based hair-removal  services and  personal-care
    products  through  its  ThermoLase   subsidiary  and  conducts    advanced
    technology research       . For  the  fiscal  year     ended  September  28
    ThermoTrex had consolidated revenues of $182,029,000 and consolidated net
    income of $42,575,000.

      Thermo Electron and its  subsidiaries develop, manufacture and  market
    environmental monitoring  and analysis  instruments, biomedical  products
    including heart-assist systems and respiratory care products, papermaking
    and paper-recycling  equipment,  alternative-energy  systems,  industrial
    process equipment and other specialized products. Thermo Electron and its
    subsidiaries also provide  environmental and  metallurgical services  and
    conduct advanced technology research and development. For its fiscal year
    ended December 30,  1995, Thermo  Electron had  consolidated revenues  of
    $2,207,417,000 and  consolidated net  income of  $140,080,000. See  "Risk


                                       31
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<PAGE>





    Factors-Potential Conflicts  of  Interest" and  "-Significant  Additional
    Shares Eligible for Future Sale." 

    The Thermo Electron Corporate Charter

      Thermo Electron and  the Thermo  Subsidiaries, including the  Company,
    recognize  that  the  benefits  and   support  that  derive  from   their
    affiliation are  essential  elements  of  their  individual  performance.
    Accordingly,  Thermo  Electron  and  each  of  the  Thermo  Subsidiaries,
    including the Company, have adopted the Thermo Electron Corporate Charter
    (the "Charter") to define the  relationships and delineate the nature  of
    such cooperation  among themselves.  The  purpose of  the Charter  is  to
    ensure that (1) all of the  companies and their shareholders are  treated
    consistently and  fairly, (2)  the scope  and nature  of the  cooperation
    among the companies, and each company's responsibilities, are  adequately
    defined, (3)  each  company has  access  to the  combined  resources  and
    financial, managerial and technological strengths of the others, and  (4)
    Thermo Electron and the Thermo  Subsidiaries, in the aggregate, are  able
    to obtain the most favorable terms from outside parties. 

      To achieve these ends,  the Charter identifies the  general principles
    to be followed by the companies, addresses the role and  responsibilities
    of the management  of each  company, provides  for the  sharing of  group
    resources by the companies  and provides for centralized  administrative,
    banking and  credit services  to  be performed  by Thermo  Electron.  The
    services provided by Thermo Electron include collecting and managing cash
    generated by members, coordinating the access of Thermo Electron and  the
    Thermo Subsidiaries (the "Thermo  Group") to external financing  sources,
    ensuring  compliance  with  external  financial  covenants  and  internal
    financial policies, assisting in  the formulation of long-range  planning
    and providing other banking and credit services. Pursuant to the Charter,
    Thermo Electron may also  provide guarantees of  debt obligations of  the
    Thermo Subsidiaries or may obtain external financing at the parent  level
    for the benefit  of the  Thermo Subsidiaries. In  certain instances,  the
    Thermo Subsidiaries may provide credit support  to, or on behalf of,  the
    consolidated entity  or  may  obtain  financing  directly  from  external
    financing sources. Under the Charter, Thermo Electron is responsible  for
    ensuring that the Thermo Group  remains in compliance with all  covenants
    imposed by  external financing  sources, including  covenants related  to
    borrowings of Thermo Electron or other  members of the Thermo Group,  and
    for apportioning such constraints within  the Thermo Group. In  addition,
    Thermo Electron  establishes  certain internal  policies  and  procedures
    applicable to  members of  the Thermo  Group. The  cost of  the  services
    provided by Thermo Electron to  the Thermo Subsidiaries is covered  under
    existing corporate services agreements  between Thermo Electron and  each
    of the Thermo Subsidiaries. 

      The Charter presently  provides that  it shall continue  in effect  so
    long as Thermo Electron and  at least one Thermo Subsidiary  participate.
    The Charter may be amended at any time by agreement of the  participants.
    Any  Thermo  Subsidiary,  including   the  Company,  may  withdraw   from
    participation in the  Charter upon  30 days' prior  notice. In  addition,
    Thermo Electron may terminate a subsidiary's participation in the Charter
    in the event the subsidiary ceases to be controlled by Thermo Electron or
    ceases to  comply  with  the  Charter  or  the  policies  and  procedures

                                       32
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<PAGE>





    applicable  to  the   Thermo  Group.  A   withdrawal  from  the   Charter
    automatically terminates  the  corporate  services  agreement  in  effect
    between the withdrawing company and Thermo Electron. The withdrawal  from
    participation does not terminate outstanding commitments to third parties
    made by the withdrawing company, or  by Thermo Electron or other  members
    of the  Thermo Group,  prior to  the withdrawal.  However, a  withdrawing
    company  is  required  to  continue  to  comply  with  all  policies  and
    procedures  applicable  to  the  Thermo  Group  and  to  provide  certain
    administrative functions  mandated  by Thermo  Electron  so long  as  the
    withdrawing company is controlled by or affiliated with Thermo Electron. 

    Corporate Services Agreement

      As provided  in the  Charter,  Thermo Electron  and  the Company  have
    entered into a  Corporate Services Agreement  (the "Services  Agreement")
    under  which   Thermo  Electron's   corporate  staff   provides   certain
    administrative services,  including certain  legal advice  and  services,
    risk management, certain employee benefit administration, tax advice  and
    preparation of  tax  returns,  centralized cash  management  and  certain
    financial and other  services to the  Company. In 1994  and 1995,  Thermo
    Electron assessed the Company an annual  fee for these services equal  to
    1.25% and 1.20%, respectively, of the Company's total revenues. Effective
    January 1,  1996, the  fee was  reduced to  1.0% of  the Company's  total
    revenues. The fee may be changed  by mutual agreement of the Company  and
    Thermo Electron. During the fiscal year  ended September 28 , 1996 , Thermo
    Electron assessed  the  Company $1,567,000     in  fees  under the  Services
    Agreement. The  Company  believes that  the  charges under  the  Services
    Agreement are  representative  of the  expenses  the Company  would  have
    incurred on  a stand-alone  basis  and that  the  terms of  the  Services
    Agreement are reasonable. For additional  items such as employee  benefit
    plans, insurance coverage and  other identifiable costs, Thermo  Electron
    charges the Company  based upon  costs attributable to  the Company.  The
    Services Agreement automatically  renews for  successive one-year  terms,
    unless canceled by the Company upon  30 days' prior notice. In  addition,
    the Services Agreement terminates automatically in the event the  Company
    ceases to be a member of the  Thermo Group or ceases to be a  participant
    in the Charter. In the event of a termination of the Services  Agreement,
    the Company will be required  to pay a termination  fee equal to the  fee
    that was paid by  the Company for services  under the Services  Agreement
    for the nine-month  period prior to  termination. Following  termination,
    Thermo  Electron  may  provide  certain  administrative  services  on  an
    as-requested basis by  the Company or  as required in  order to meet  the
    Company's obligations under  Thermo Electron's  policies and  procedures.
    Thermo Electron will charge  the Company a fee  equal to the market  rate
    for comparable  services if  such services  are provided  to the  Company
    following termination. 

    Master Guarantee Reimbursement Agreements

      The  Company  has  entered  into  a  Master   Guarantee  Reimbursement
    Agreement with  Thermo  Electron which  provides  that the  Company  will
    reimburse Thermo Electron  for any  costs it incurs  in the  event it  is
    required to pay third parties pursuant to any guarantees it issues on the
    Company's behalf. ThermoTrex  has entered into  a similar agreement  with
    Thermo Electron  with  regard  to the  Company's  obligations  which  are

                                       33
PAGE
<PAGE>





    guaranteed by Thermo Electron. The Company has also entered into a Master
    Guarantee Reimbursement Agreement with ThermoTrex which provides that the
    Company will reimburse ThermoTrex  for any costs it  incurs in the  event
    that ThermoTrex is  required to pay  Thermo Electron or  any other  party
    pursuant to any guarantees it issues on the Company's behalf. 

    Miscellaneous

      Currently, ThermoTrex beneficially owns 79 % of the outstanding shares
    of Common  Stock (excluding  shares  of Common  Stock issuable  upon  the
    conversion of the Convertible Note).    ThermoTrex may   convert additional
    principal amounts of the Convertible  Note or  purchase additional shares
    of Common Stock from time to time in the open market or directly from the
    Company. See "Risk Factors-Control by ThermoTrex." 

      As  of  September  28,   1996,  $32,696,000  of  the     Company's  cash
    equivalents were  invested  pursuant to a repurchase agreement with Thermo
    Electron. Under this agreement, the  Company in effect lends excess  cash
    to Thermo Electron, which Thermo Electron collateralizes with investments
    principally consisting  of  corporate  notes,  United  States  government
    agency  securities,  money  market  funds,  commercial  paper  and  other
    marketable securities, in the amount of at least 103% of such obligation.
    The Company's  funds  subject to  the  repurchase agreement  are  readily
    convertible into cash by  the Company  . The repurchase agreement  earns a
    rate based on the  90-day Commercial Paper Composite  Rate plus 25  basis
    points, set at the beginning of each quarter. 

                                   MANAGEMENT

      The directors and executive officers of the Company  and their ages as
    of September 28, 1996 are as follows: 

                  Name          Age               Position
                  ----          ---               --------
                                                 PPosition
                                                  --------

         Gary S. Weinstein       38 Chairman of the Board and Director
         Anthony J.              56 Vice Chairman of the Board and
         Pellegrino                 Director
         Hal Kirshner            55 Chief Executive Officer, President
                                    and Director

         John N. Hatsopoulos     62 Vice President, Chief Financial
                                    Officer and Director
         Paul F. Kelleher        54 Chief Accounting Officer
         Elias P. Gyftopoulos    68 Director
         (2)

         Robert C. Howard        65 Director
         Earl R. Lewis           52 Director
         James W. May, Jr.       53 Director
         (1)(2)

         Hutham S. Olayan        42 Director
         (1)(2)
         Firooz Rufeh            58 Director


                                       34
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<PAGE>





         Kenneth Y. Tang         48 Director


    --------------
    (1)  Member of the Audit Committee. 
    (2)  Member of the Human Resources Committee. 

      All  of  the   Company's  directors  are   elected  annually  by   the
    shareholders and hold office until  their respective successors are  duly
    elected and qualified.  Executive officers  are elected  annually by  the
    Board of  Directors  and serve  at  its discretion.  Mr.  Weinstein,  Mr.
    Hatsopoulos, Mr. Kelleher, Mr. Howard, Mr. Lewis, Mr. Rufeh and Dr.  Tang
    are  full-time  employees  of   Thermo  Electron,  ThermoTrex  or   other
    subsidiaries of Thermo Electron, but  these individuals devote such  time
    to the affairs of the Company  as the Company's needs reasonably  require
    from time to time. Because each of these individuals owes duties to  each
    of the entities for which he serves as an officer or director, there  may
    be circumstances in which such individual has a conflict of interest. See
    "Risk Factors-Potential  Conflicts  of Interest"  and  "Relationship  and
    Potential Conflicts of Interest with Thermo Electron and ThermoTrex." 

      Mr. Weinstein has  been Chairman of  the Board and  a Director of  the
    Corporation since February 1996. Mr. Weinstein has also been Chairman and
    Chief Executive  Officer of  ThermoTrex and  a Vice  President of  Thermo
    Electron since February 1996.  Mr. Weinstein was  a Managing Director  of
    Lehman Brothers Inc. from 1992 until February 1996, serving most recently
    as Managing Director, head of Global Syndicate and Equity Capital Markets
    since March  1995. Prior  to that  appointment, Mr.  Weinstein served  in
    various positions  at Lehman  Brothers since  joining the  firm in  1988,
    including head of Equities in Europe, head of Equity New Issues in  North
    and  South  America  and  head  of  Global  Convertible  Securities.  Mr.
    Weinstein is also a Director of ThermoTrex and ThermoLase. 

      Mr. Pellegrino has been Vice Chairman  of the Board and a  Director of
    the Company since its inception in October 1995. Mr. Pellegrino has  been
    a Senior Vice President of ThermoTrex since July 1995 and was Chairman of
    Lorad for more than five years prior to that time. Mr. Pellegrino is also
    a Director of ThermoQuest Corporation and ThermoLase. 

      Mr. Kirshner  has  been  Chief  Executive  Officer,  President  and  a
    Director of the Company since its inception in October 1995. Mr. Kirshner
    has been President of Lorad since  February 1991. Prior to that time,  he
    served as  Chief  Operating Officer  and  President of  Electrolux  Water
    Systems, Inc. 

      Mr. Hatsopoulos has been Vice President, Chief Financial Officer and a
    Director of  the  Company  since  its  inception  in  October  1995.  Mr.
    Hatsopoulos has  been a  Vice President  and Chief  Financial Officer  of
    ThermoTrex since 1990,  the Chief  Financial Officer  of Thermo  Electron
    since 1988 and  President of  Thermo Electron  since January  1997.   Mr.
    Hatsopoulos was an Executive Vice President of Thermo Electron from  1986
    until  January  1997.  He  is  also  a  director  of  Thermo  BioAnalys
    Corporation, Thermo  Ecotek  Corporation, Thermo  Fibertek  Inc.,  Thermo
    Instrument Systems Inc., Thermo Power Corporation, Thermo TerraTech Inc.,
    Thermo Optek Corporation, ThermoQuest  Corporation, Thermo Sentron  Inc.,


                                       35
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<PAGE>





    ThermoTrex and  Lehman  Brothers  Funds,  Inc.,  an  open-end  investment
    management company. 

      Mr. Kelleher  has been  the Chief  Accounting Officer  of the  Company
    since  its  inception  in  October  1995.  Mr.  Kelleher  has  been  Vice
    President, Finance  of  Thermo Electron  since  1987 and  served  as  its
    Controller from 1982 to January 1996. He is a director of ThermoLase. 

      Dr. Gyftopoulos has been a Director of the Company since its inception
    in  October  1995.  Dr.  Gyftopoulos  has  been  the  Ford  Professor  of
    Mechanical Engineering and  of Nuclear Engineering  at the  Massachusetts
    Institute of Technology for more than five years. Dr. Gyftopoulos is also
    a director of Thermo BioAnalysis Corporation, Thermo Cardiosystems  Inc.,
    Thermo  Electron,  ThermoLase,  Thermo  Remediation  Inc.,  ThermoSpectra
    Corporation and Thermo Voltek Corp. 

      Mr. Howard has been a Director  of the Company since its  inception in
    October 1995. Mr. Howard has been  an Executive Vice President of  Thermo
    Electron since 1986.  He is also  a Director of  Thermedics Inc.,  Thermo
    Cardiosystems Inc., ThermoLase, Thermo Power Corporation, and ThermoTrex.

      Mr. Lewis has been  a Director of the  Company since its inception  in
    October 1995. Mr. Lewis has been Vice President of Thermo Electron  since
    September 1996 and Executive Vice  President and Chief Operating  Officer
    of Thermo Instrument  Systems Inc. since  December 1995 and  served as  a
    Vice President of that company from 1990  to 1995. He has also served  as
    Chief Executive  Officer,  President  and  a  Director  of  Thermo  Optek
    Corporation since  August  1995,  and President  of  Thermo  Jarrell  Ash
    Corporation for more than five years.  Mr. Lewis is also Chairman of  the
    Board and a Director of ThermoSpectra Corporation. 

      Dr. May has been a Director of the Company since February 1996. He has
    been Professor of Surgery  at Harvard Medical School  since 1994 and  was
    Associate Clinical Professor of Surgery for more than five years prior to
    that time. 

      Ms. Olayan has been a Director of the Company since February 1996. She
    has served  as President  and a  director of  Olayan America  Corporation
    since 1995  and  Competrol Real  Estate  Limited since  1986,  which  are
    members of the Olayan Group engaged in advisory services and private real
    estate investments, respectively. Ms. Olayan also served as President and
    a director of Crescent Diversified Limited, another member of the  Olayan
    Group engaged in private investments, from 1985 until 1994. Ms. Olayan is
    also a Director of Thermo Electron. 

      Mr. Rufeh has been  a Director of the  Company since its inception  in
    October 1995  and was  its Chairman  of the  Board from  October 1995  to
    February 1996. Mr. Rufeh has been the President of ThermoTrex since  1988
    and a Vice President of Thermo Electron since January 1986. From 1985  to
    1990, he was  Chairman of the  Board of Thermo  Power Corporation. He  is
    also a Director of ThermoTrex and ThermoLase. 

      Dr. Tang has  been a Director  of the Company  since its inception  in
    October 1995. Dr. Tang has been  Senior Vice President of ThermoTrex  for


                                       36
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<PAGE>





    more than five years and was  President of ThermoLase from December  1992
    to May 1995. He is also a director of ThermoLase. 

    Compensation of Directors

      Directors who are not employees of the Company, Thermo Electron or any
    other companies  affiliated with  Thermo Electron  (also referred  to  as
    "outside directors") receive an  annual retainer of $2,000  and a fee  of
    $1,000 per day for attending regular  meetings of the Board of  Directors
    and $500 per day for participating in meetings of the Board of  Directors
    held by means of  conference telephone and  for participating in  certain
    meetings of committees  of the  Board of Directors.  Payment of  director
    fees  is  made  quarterly.   Messrs.  Weinstein,  Pellegrino,   Kirshner,
    Hatsopoulos, Howard,  Lewis  and Rufeh  and  Dr. Tang  are  employees  of
    members of the  Thermo Electron  companies and  do not  receive any  cash
    compensation from the Company for their services as directors.  Directors
    are also  reimbursed for  reasonable out-of-pocket  expenses incurred  in
    attending such meetings. 

      Directors Deferred Compensation  Plan  .   Under the Company's  Deferred
      -------------------------------------
    Compensation Plan  for Directors  (the "Deferred  Compensation Plan"),  a
    director has the right to  defer receipt of his or  her fees until he  or
    she ceases  to serve  as a  director, dies  or retires  from his  or  her
    principal occupation. In  the event of  a change in  control or  proposed
    change in control of  the Company that  is not approved  by the Board  of
    Directors, deferred amounts become  payable immediately. For purposes  of
    the Deferred Compensation Plan,  a change of control  is defined as:  (a)
    the occurrence, without the prior approval of the Board of Directors,  of
    the acquisition, directly or indirectly, by any person of 50% or more  of
    the  outstanding  Common  Stock  or  the  outstanding  common  stock   of
    ThermoTrex or  25% or  more of  the outstanding  common stock  of  Thermo
    Electron or  (b) the  failure of  the  persons serving  on the  Board  of
    Directors immediately prior to any contested election of directors or any
    exchange offer or tender offer for  the Common Stock or the common  stock
    of ThermoTrex or Thermo Electron to constitute a majority of the Board of
    Directors at any time within two years following any such event.  Amounts
    deferred pursuant to the Deferred Compensation Plan are valued at the end
    of each quarter as units of Common Stock. When payable, amounts  deferred
    may be disbursed solely in shares  of Common Stock accumulated under  the
    Deferred Compensation Plan. The Company has reserved 25,000 shares  under
    this Plan.  As  of  the  date  of this  Prospectus,  24  units  had  been
    accumulated under the Deferred Compensation Plan. 

      Directors Stock  Option Plan    .   The Company  has adopted  a directors
      ----------------------------
    stock option plan (the "Plan") providing  for the grant of stock  options
    to purchase shares  of Common  Stock to outside  directors as  additional
    compensation for their service  as directors. The  Plan provides for  the
    grant of  stock  options  upon  a  Director's  initial  appointment  and,
    beginning in 2000, awards  options to purchase  1,000 shares annually  to
    eligible directors, provided the Common Stock is then publicly traded.  A
    total of 200,000 shares of Common  Stock have been reserved for  issuance
    under the Plan. 

      Under the Plan, each eligible  director and each new  outside director
    initially joining  the Board  of Directors  in 1996  will be  granted  an

                                       37
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<PAGE>





    option to purchase 40,000  shares of Common Stock  upon the later of  the
    adoption of the plan or the director's appointment or election. The  size
    of the award to new directors  appointed to the Board of Directors  after
    1996 will be reduced by 10,000 shares in each subsequent year.  Directors
    initially joining the Board of Directors after 1999 would not receive  an
    option  grant  upon  their  appointment  or  election  to  the  Board  of
    Directors, but  would be  eligible to  participate in  the annual  option
    awards described below.  Options evidencing initial  grants to  directors
    are presently exercisable,  however,  the  shares acquired upon  exercise
    are subject to restrictions on transfer  and the right of the Company  to
    repurchase such shares at  the exercise price in  the event the  director
    ceases to serve as a director of the Company or any other Thermo Electron
    company. In  such event,  the restrictions  and repurchase  rights  shall
    lapse or be deemed to have lapsed in annual installments of 10,000 shares
    per year,  starting with  the first  anniversary of  the date  of  grant,
    provided the  director  has continuously  served  as a  director  of  the
    Company, Thermo Electron or any  subsidiary of Thermo Electron since  the
    grant date. These options  expire on the fifth  anniversary of the  grant
    date, unless the  director dies,  ceases to  be an  eligible director  or
    otherwise ceases to serve as a  director of the Company, Thermo  Electron
    or any subsidiary of Thermo Electron prior to that date. 

      Commencing in 2000,  eligible directors  will also  receive an  annual
    grant of options to purchase 1,000  shares of Common Stock, provided  the
    Common Stock is then publicly traded.  The annual grant would be made  at
    the close of business on the date of each annual meeting of  shareholders
    of the Company to each  outside director then holding office,  commencing
    with the annual  meeting to be  held in 2000.  Options evidencing  annual
    grants may  be  exercised  at  any time  from  and  after  the  six-month
    anniversary of  the date  of grant  and prior  to the  expiration of  the
    option on the  third anniversary of  the date of  grant. Shares  acquired
    upon exercise  of the  options  would be  subject  to repurchase  by  the
    Company at  the exercise  price if  the recipient  ceased to  serve as  a
    director of the Company or any other Thermo Electron company prior to the
    first anniversary of the date of grant for any reason other than death. 

      The exercise price for options granted under the Plan is determined by
    the average of the closing prices reported by the American Stock Exchange
    (or such  other principal  exchange on  which the  Common Stock  is  then
    traded) for the five trading days immediately preceding and including the
    date the option is granted or,  if the shares underlying the option  were
    not so traded, at the last price paid per share by independent  investors
    in an arms'  length transaction  with the Company  prior to  the date  of
    grant. 

      Grants of stock options to outside directors have  consisted of 40,000
    shares granted in November 1995 at an exercise price of $10.25 per  share
    and 80,000 shares granted in February 1996 at an exercise price of $10.75
    per share. 

    Certain Transactions

      On November 22,  1995, November  30, 1995  and January  31, 1996,  the
    Company completed private  placements primarily to  outside investors  of
    minority investments in its Common Stock at purchase prices of $10.25 per

                                       38
PAGE
<PAGE>





    share in the November 1995 private placements and $10.75 per share in the
    January 1996  private  placement. Crescent  International  Holdings  Ltd.
    purchased an  aggregate of  200,000 shares  of the  Common Stock  of  the
    Company in such private placements. Crescent  International Holdings Ltd.
    is indirectly controlled by  Suliman S. Olayan, the  father of Hutham  S.
    Olayan, a  Director of  the  Company.   Ms. Olayan  disclaims  beneficial
    ownership of the shares owned by Crescent International Holdings Ltd.  In
    addition, the following  directors and officers  purchased the number  of
    shares of the  Company's Common  Stock set  forth below  in such  private
    placements: Anthony  J. Pellegrino,  Vice Chairman  and Director,  20,000
    shares; Hal Kirshner,  Chief Executive Officer,  President and  Director,
    100,000 shares; Robert C. Howard,  Director, 2,500 shares; Firooz  Rufeh,
    Director, 19,600 shares; and Kenneth Y. Tang, Director, 1,200 shares. 


                             EXECUTIVE COMPENSATION

    Compensation of Executive Officers

     Summary Compensation Table
     --------------------------

      The following  table  summarizes  compensation  for  services  to  the
    Company in all capacities awarded to, earned by or paid to the  Company's
    Chief Executive Officer for the last full fiscal year ended September 28,
    1996  ("fiscal 1996"),  for the nine-month period from January 1, 1995 to
    September  30,  1995("fiscal  1995"),  reflecting  a  change   in  th
    Corporation's fiscal year end to September 30, and for the preceding full
    fiscal year from January 2, 1994 to December 31, 1994 ("Fiscal 1994"). No
    other executive  officer of  the Company  met the  definition of  "highly
    compensated"  within  the   meaning  of  the   Securities  and   Exchange
    Commission's  executive  compensation   disclosure  rules  during   these
    periods. 

      The Company  is required  to appoint  certain  executive officers  and
    full-time employees  of  Thermo Electron  as  executive officers  of  the
    Company in accordance  with the  Thermo Electron  Corporate Charter.  The
    compensation for these executive officers is determined and paid entirely
    by Thermo Electron. The time and  effort devoted by these individuals  to
    the Company's  affairs is  provided  to the  Company under  the  Services
    Agreement between  the  Company  and Thermo  Electron.  Accordingly,  the
    compensation for  these  individuals is  not  reported in  the  following
    table. See "Relationship and Potential Conflicts of Interest with  Thermo
    Electron and ThermoTrex." 

                           Summary Compensation Table
                                 Annual      Long-Term
                             Compensation   Compensatio
                             ------------   -----------
                                                 n
                                                 -

                                             Securities
         Name and     Fisca                 Underlying   All Other
        Principal       l     Salary  Bonus            Compensation(
        ---------             ------  -----            -------------
         Position     Year                  Options(3)      4)
         --------     ----                  ----------      --



                                       39
PAGE
<PAGE>





    Hal Kirshner
    Chief Executive
    Officer  and       1996  $192,500     -- 150,000(TX   $9,958 (5)
    President.......                     (1)         M)
                                               150(TMO)

                       1995           $200,0    --         7,005
                            150,000(2     00
                                    )
                       1994   200,000 180,00               6,750
                                           0 22,500(TMO
                                                      )

    --------------
    (1)  Compensation for  executive  officers  is  reviewed  and  determined
         annually at the end of each calendar year. Accordingly, bonuses have
         not yet been determined for fiscal 1996.
    (2)  Salary  data  for  fiscal  1995  reflects  salary  paid  during  the
         nine-month period from January 1, 1995  to September 30, 1995, as  a
         result of the change in the Company's fiscal year-end. 
    (3)  In  addition  to   receiving  options  to   purchase  Common   Stock
         (designated in the table as  TXM), Mr. Kirshner was granted  options
         to  purchase  shares  of  the   common  stock  of  Thermo   Electron
         (designated in  the  table  as TMO).  Information  with  respect  to
         options to purchase the  common stock of  Thermo Electron reflect  a
         three-for-two split effected in May 1996 in the form of a 50%  stock
         dividend. 
    (4)  Represents  the  amount  of  matching  contributions  made  by   the
         individual's employer on behalf of the Chief Executive Officer under
         the Thermo Electron 401(k) plan. 
    (5)  In addition to  the matching  contribution referred  to in  footnote
         (4), such amount includes $4,614,  representing the market value  of
         115 shares of Thermo Electron common stock received by Mr.  Kirshner
         in May 1996 in recognition of his managerial achievements at  Thermo
         Electron's Annual Management Conference.

    Stock Options Granted During Fiscal 1996
    ----------------------------------------

      The following table sets  forth certain information concerning  grants
    of stock options made during fiscal 1996 to the Chief Executive  Officer.
    It has  not  been  the  Company's  policy in  the  past  to  grant  stock
    appreciation rights, and no such rights were granted during fiscal 1996. 

                       Option Grants in Last Fiscal Year

                                                          Potential
                             % of                         Realizable
                Number of    Total                     Value at Assumed
                  Shares    Options                      Annual Rates
          Name  Underlying  Granted Exercis             of Stock Price
          ----
                 Options      to       e    Expiratio  Appreciation for
               Granted (1) Employees  Price  n Date    Option Term (2)
               -----------                    -----    ---------------
                           in Fiscal  Per
                                      ---
                             Year    Share
                             ----    -----

                                                         5%       10%

                                       40
PAGE
<PAGE>





        Hal
        Kirshn     150,000   15%    $11.00  3/26/08    $1,312,5 $3,528,0
        er           (TXM)                                   00       00

                       150  .01%     42.79  5/22/99       1,011    2,124
                  (TMO)(3)
    _______
    (l)  The options to purchase  shares of the Common  Stock of the  Company
         are  presently  exercisable,  however,  the  shares  acquired   upon
         exercise are subject  to repurchase by  the granting corporation  at
         the exercise price  if the  optionee ceases  to be  employed by  the
         granting corporation  or  another  Thermo  Electron  company.    The
         repurchase rights are deemed to lapse 20% per year commencing on the
         fifth anniversary of  the grant date.  The granting corporation  may
         exercise  its  repurchase  rights   within  six  months  after   the
         termination of the optionee's  employment. The granting  corporation
         may permit  the  holders of  all  options to  exercise  options  and
         satisfy tax withholding obligations by surrendering shares equal  in
         fair market value to the exercise price or withholding obligation. 
    (2)  The amounts shown  on this table  represent hypothetical gains  that
         could be achieved for the respective options if exercised at the end
         of the option term. These gains are based on assumed rates of  stock
         appreciation of 5% and  10%, compounded annually  from the date  the
         respective options were granted to their expiration date. The  gains
         shown are  net of  the option  exercise price,  but do  not  include
         deductions for taxes or other expenses associated with the exercise.
         Actual gains, if any, on stock  option exercises will depend on  the
         future performance of the Common Stock, the optionholders' continued
         employment through  the option  period  and the  date on  which  the
         options are exercised. 
    (3)  These options  were granted  as a  part of  Thermo Electron's  stock
         option program, and have the same  terms as stated in footnote  (1),
         except that the options  have a three-year  term and the  repurchase
         rights lapse  in their  entirety on  the second  anniversary of  the
         grant date. 

    Stock Options  Exercised  During Fiscal  Year  1996 and  Fiscal  Year-End
    -------------------------------------------------------------------------
    Option Values
    --------------

      The following  table sets  forth certain  information concerning  each
    exercise of  a stock  option  during fiscal  1996 and  outstanding  stock
    options held at the end of fiscal 1996 by the Chief Executive Officer. No
    stock appreciation  rights were  exercised or  outstanding during  fiscal
    1996. 

                Aggregated Option Exercises in Last Fiscal Year
                       and Fiscal Year-End Option Values

                                             Number of     Value of
                                               Shares    Unexercised
                                             Underlying  In-the-Mone
                                            Unexercised   y Options
                                             Options at   at Fiscal
                                               Fiscal      Year-End
                                                           --------
                                              Year-End
                                              --------

                                       41
PAGE
<PAGE>





                           Number
                         of Shares
                          Acquired  Value   Exercisable/ Exercisable
      Name     Company       on    RealizedUnexercisable      /
     -----     -------             ---------------------
                          Exercise              (1)      Unexercisab
                          --------              ---      -----------
                                                              le
                                                              --

    Hal
    Kirshne Trex Medical     -        -      150,000/0   $1,387,500
    r                                                            /-
            ThermoTrex     76,500  $2,079,2   73,000/0   1,809,155/
                                      70                          -
            ThermoLase       -        -       36,400/0
                                                          787,150/-

            Thermo           -        -      116,025/0   2,953,132/
            Electron                                              -

    -------
    (l)  All of the  options reported outstanding  at the end  of the  fiscal
         year are  immediately  exercisable.     In  all  cases,  the  shares
         acquired upon  exercise of  the options  reported in  the table  are
         subject to repurchase  by the granting  corporation at the  exercise
         price if the optionee ceases to  be employed by such corporation  or
         another  Thermo  Electron  company.  The  granting  corporation  may
         exercise  its  repurchase  rights   within  six  months  after   the
         termination  of  the  optionee's  employment.  For  publicly  traded
         companies, the repurchase rights generally lapse ratably over a five
         to ten year  period, depending on  the option term,  which may  vary
         from seven to twelve years, provided that the optionee continues  to
         be employed by the granting  corporation or another Thermo  Electron
         company. 
    (2)  Options to  purchase 22,500  shares of  the common  stock of  Thermo
         Electron granted  to Mr.  Kirshner  are subject  to the  same  terms
         described in footnote (1), except that the repurchase rights of  the
         granting  corporation  generally  do  not  lapse  until  the   tenth
         anniversary of the grant date. In the event of the employee's  death
         or involuntary termination  prior to  the tenth  anniversary of  the
         grant date, the repurchase rights of the granting corporation  shall
         be deemed to have lapsed ratably over a five-year period  commencing
         with the fifth anniversary of the grant date. 

    Employment Agreements

      In connection with the acquisition of the LORAD  Corporation ("LORAD")
    in November 1992, the Company  entered into an employment agreement  with
    Mr. Hal Kirshner.  Mr. Kirshner's  agreement called for  Mr. Kirshner  to
    serve as President and  Chief Operating Officer  of LORAD until  December
    31, 1995, at a base salary of $200,000 per year plus bonus. 


         SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

    Principal Stockholder



                                       42
PAGE
<PAGE>





      The following  table  sets  forth certain  information  regarding  the
    beneficial ownership of the Common Stock  of the Company as of  September
    28, 1996 by  ThermoTrex, which  is the only  person or  entity that  owns
    beneficially more than 5% of the outstanding shares of Common Stock.  See
    "Risk Factors-Control by ThermoTrex." 
                                                     Percentage of
                                       Number of      Outstanding
    Name and Address of Beneficial      Shares           Shares
    ------------------------------
                           Shares                        Shares
                 Owner               Beneficially
                 -----               ------------     ------------
         Beneficially                                 Beneficially
                                                      ------------
                                         Owned           Owned
                                         -----           -----
ned                                                      Owned
                                                         -----

    ThermoTrex Corporation (1)  ....23,562,339 (2)        79%
    10455 Pacific Center Court
    San Diego, CA 92121
    ________
    (l)  ThermoTrex is a  majority-owned subsidiary of  Thermo Electron  and,
         therefore, Thermo Electron may be  deemed a beneficial owner of  the
         shares of  Common Stock  beneficially  owned by  ThermoTrex.  Thermo
         Electron disclaims beneficial ownership of these shares.
    (2)  Includes 678,561 shares of Common Stock issuable upon conversion  of
         the Convertible Note. 

      ThermoTrex has adopted a stock option plan with respect  to the Common
    Stock that it beneficially owns. Under this plan, options to purchase  up
    to 400,000 shares of such stock may  be granted to any person within  the
    discretion of the human resources committee of the Board of Directors  of
    ThermoTrex, including officers and key employees of ThermoTrex. 

    Management

      The following  table  sets  forth certain  information  regarding  the
    beneficial ownership of the Common Stock  of the Company as of  September
    28, 1996 as well as information regarding the beneficial ownership of the
    common stock of ThermoTrex and Thermo Electron, as of September 28, 1996,
    with respect  to (i)  each of  the Company's  directors, (ii)  the  Chief
    Executive Officer, and (iii) all directors and executive officers of  the
    Company as a group. 

      While certain directors and executive officers of the Company are also
    directors and executive officers of ThermoTrex or its subsidiaries  other
    than the Company, all such  persons disclaim beneficial ownership of  the
    shares of Common Stock owned by ThermoTrex.

                               Trex Medical  ThermoTrex    Thermo
              Name(1)          Corporation(
              -------          ------------
                                            Corporation   Electron
- -----------                                 -----------
                                    2)                  Corporation
                                    --                  -----------
                                                (3)     Corporation
                                          -----------
                                                            (4)
                                                            ---

    Gary S. Weinstein  .........  315,000     110,000      150,412
    Anthony J. Pellegrino  .....  146,472     930,621      115,875

    Hal Kirshner  ..............  285,000      92,968      117,184
    Elias P. Gyftopoulos  ......   40,000       4,500       71,070
    John N. Hatsopoulos  .......   40,383       5,423      556,059


                                       43
PAGE
<PAGE>





    Robert C. Howard  ..........   43,674      35,554      192,685

    Earl L. Lewis  .............   40,500         420      131,914
    James W. May, Jr.  .........   40,000           0            0
    Hutham S. Olayan  ..........   45,024       9,500       23,799

    Firooz Rufeh  ..............   83,600     101,788      134,263
    Kenneth Y. Tang  ...........   48,706      79,203       26,204
    All directors and executive
    officers as a group (12      1,134,35    1,380,37    1,664,367
    persons)  ..................        9           7

    _______

    (l)  Except as reflected in the footnotes to this table, shares of Common
         Stock  and   common  stock   of  ThermoTrex   and  Thermo   Electron
         beneficially owned consist of shares  owned by the indicated  person
         or by that person for the  benefit of minor children, and all  share
         ownership involves sole voting and investment power. 

    (2)  Shares of the Common Stock  beneficially owned by  all   directors and
         executive officers as a group exclude 23,562,339 shares beneficially
         owned by ThermoTrex, as to which each director and executive officer
         and all members of such group disclaim beneficial ownership.  Shares
         of the  Common  Stock  beneficially  owned  by  Mr.  Weinstein,  Mr.
         Pellegrino, Mr.  Kirshner,  Dr. Gyftopoulos,  Mr.  Hatsopoulos,  Mr.
         Howard, Mr. Lewis, Dr. May, Ms. Olayan, Mr. Rufeh, Dr. Tang and  all
         directors and executive officers as a group include 300,000, 40,000,
         150,000, 40,000,  40,000, 40,000,  40,000, 40,000,  40,000,  40,000,
         40,000 and 816,000  shares respectively, that  such person or  group
         has the  right to  acquire within  60 days  of September  28,  1996,
         through the exercise of stock options.  Shares beneficially owned by
         Ms. Olayan and by  all directors and executive  officers as a  group
         include 24  shares  allocated  through September  28,  1996  to  Ms.
         Olayan's account  maintained  pursuant  to  the  Company's  deferred
         compensation plan for directors.   Shares beneficially owned by  Ms.
         Olayan do not include 200,000 shares owned by Crescent International
         Holdings Ltd., a member of the Olayan Group. Crescent  International
         Holdings Ltd. is  indirectly controlled  by Suliman  S. Olayan,  Ms.
         Olayan's father. Ms.  Olayan disclaims beneficial  ownership of  the
         shares  owned  by  Crescent  International  Holdings  Ltd.    Shares
         beneficially owned  by Mr.  Rufeh include  19,600 shares  held in  a
         family trust.  No director  or executive officer beneficially  owned
         more than 1%  of the Common  Stock outstanding as  of September  28,
         1996, other than Mr. Weinstein who beneficially owned  approximately
         1.0% of such Common Stock; and all directors and executive  officers
         as a group beneficially owned  3.8% of the Common Stock  outstanding
         as of such date. 

    (3)  Shares of the common stock  of ThermoTrex beneficially owned by  Mr.
         Weinstein,  Mr.  Pellegrino,  Mr.  Kirshner,  Dr.  Gyftopoulos,  Mr.
         Hatsopoulos, Mr. Howard, Ms. Olayan, Mr. Rufeh, Dr. Tang and by  all
         directors  and  executive  officers  as  a  group  include  100,000,
         134,500, 73,000,  4,500, 2,100,  31,320  4,500, 66,000,  63,318  and
         489,638 shares,  respectively, that  such person  or group  has  the

                                       44
PAGE
<PAGE>





         right to acquire within 60 days  of September 28, 1996, through  the
         exercise  of  stock  options.  Shares  beneficially  owned  by   Mr.
         Pellegrino include  10,408  shares held  in  a trust  of  which  Mr.
         Pellegrino's spouse is the trustee. No director or executive officer
         beneficially owned more than  1% of the  common stock of  ThermoTrex
         outstanding as of September 28, 1996, other than Mr. Pellegrino, who
         beneficially owned  approximately 4.8%  of  such common  stock;  all
         directors and executive officers as a group beneficially owned  7.0%
         of such common stock outstanding as of such date. 

    (4)  The shares of common stock of Thermo Electron have been adjusted  to
         reflect a three-for-two stock split effected in May 1996 in the form
         of a  50% stock  dividend.  Shares of  the  common stock  of  Thermo
         Electron beneficially owned  by Mr. Weinstein,  Mr. Pellegrino,  Mr.
         Kirshner, Dr. Gyftopoulos, Mr.  Hatsopoulos, Mr. Howard, Mr.  Lewis,
         Ms. Olayan, Mr. Rufeh, Dr. Tang  and by all directors and  executive
         officers as  a  group  include  150,075,  115,875,  116,025,  9,375,
         429,685,  47,361,  126,937,  9,375,  90,560,  23,850  and  1,216,692
         shares, respectively, that  such person  or group has  the right  to
         acquire within 60 days of  September 28, 1996, through the  exercise
         of stock options.   Shares beneficially owned by  Ms. Olayan and  by
         all directors  and  executive officers  as  a group  include  14,424
         shares allocated through September 28, 1996 to Ms. Olayan's  account
         maintained pursuant to Thermo Electron's deferred compensation  plan
         for directors.   Shares beneficially owned  by Mr. Hatsopoulos,  Mr.
         Howard, Mr. Lewis,  Mr. Rufeh,  Dr. Tang  and by  all directors  and
         executive officers as a group include 1,225, 1,963, 617, 1,142,  538
         and 6,713 full  shares, respectively, allocated  through January  1,
         1996 to  their respective  accounts  maintained pursuant  to  Thermo
         Electron's Employee Stock Ownership   Plan of which the  trustees who
         have investment  power over  its assets  are executive  officers  of
         Thermo Electron.  Shares beneficially  owned by  Ms. Olayan  do  not
         include 4,384,500 shares owned by Crescent Holding GmbH, a member of
         the Olayan Group. Crescent Holding GmbH is indirectly controlled  by
         Suliman  S.  Olayan,  Ms.  Olayan's  father.  Ms.  Olayan  disclaims
         beneficial ownership of the shares  owned by Crescent Holding  GmbH.
         No director or executive officer beneficially owned more than 1%  of
         the common stock of Thermo Electron outstanding as of September  28,
         1996; all directors and executive  officers as a group  beneficially
         owned  1.1% of the common stock of Thermo Electron outstanding as of
         September 28, 1996. 


                              SELLING SHAREHOLDERS

       The following table shows the names of the Selling Shareholders, the
    number of shares of the Company's Common Stock each owned, the number of
    shares that may be offered by each of them pursuant to this Prospectus
    and the number of Shares each will own after completion of the offering,
    assuming all of the Shares being offered hereby are sold.






                                       45
PAGE
<PAGE>





                                        Shares of
                                      Common Stock Shares  Shares Owned
                                       Owned Prior Being       after
             Selling Shareholder         to the    Offered Completion of
             -------------------            ---    -------            --
                                       Offering(1)         the Offering
                                       -----------         ------------

         Wessel Corporation N.V.           100,000  100,00            0 
                                                         0
         Thermo Opportunity Fund,          114,600  50,000       64,600
        Inc.
         Primespecial                       38,000  20,000       18,000

         John D. Bryan                      22,000  20,000        2,000
         Union Bancaire Privee              18,000  18,000            0 
         Robert E. Kirby                    15,000  15,000            0 

         Yiska Moser Trust                  15,000  15,000            0 
         George & Elizabeth Harvey          10,000  10,000            0 
         Myles Tanenbaum                    10,000  10,000            0 

         Frank Argano                       10,000  10,000            0 
         Joseph N. Cunningham               10,000  10,000            0 
         Howard Blitman                     10,000  10,000            0 

         Gestielle B                         5,000   5,000            0 
         BCI Dollar Equity                  10,000   5,000        5,000

         Gestielle America                   2,000   2,000            0 


    (1)  Except as otherwise reflected in the footnotes to this table, all
         share ownership includes Shares owned by the Selling Shareholders
         and shares that the Selling Shareholders have the right to acquire

         within 60 days of September 28, 1996, through the exercise of stock
         options.

       The Shares are being registered to permit public secondary trading of
    the Shares from time to time by the Selling Shareholders.  All of the
    Shares being offered by the Selling Shareholders were sold by the Company
    in private placement transactions pursuant to Stock Purchase Agreements
    with the Company dated December 19, 1996  (collectively, the "Purchase
    Agreements").

       In the Purchase Agreements, the Company agreed, among other things,
    to bear all expenses (other than underwriting discounts, selling
    commissions, and fees and expenses of counsel and other advisors to the
    Selling Shareholders) in connection with the registration and sale of the
    Shares being offered by the Selling Shareholders. See "Sale of Shares."
    The Company has agreed to prepare and file such amendments and
    supplements to the Registration Statement of which this Prospectus forms
    a part as may be necessary to keep the Registration Statement effective
    until all the Shares offered hereby have been sold pursuant thereto or
    until such Shares are no longer, by reason of Rule 144(k) under the


                                       46
PAGE
<PAGE>





    Securities Act or any other rule of similar effect, required to be
    registered for the public sale thereof by the Selling Shareholders.


                                 SALE OF SHARES

       The Company has been advised that the Selling Shareholders may sell
    Shares from time to time in transactions on the American Stock Exchange,
    in negotiated transactions, through the writing of options on the Shares,
    or a combination of such methods of sale, at fixed prices which may be
    changed, at market prices prevailing at the time of sale, at prices
    related to such prevailing market price or at negotiated prices.  The
    Selling Shareholders may effect such transactions by selling the Shares
    to or through broker-dealers, and such broker-dealers may receive
    compensation in the form of discounts, concessions or commissions from
    the Selling Shareholders and/or the purchasers of the Shares for whom
    such broker-dealers may act as agent or to whom they sell as principal,
    or both (which compensation to a particular broker-dealer might be in
    excess of customary commissions).

       The Selling Shareholders and any broker-dealers who act in connection
    with the sale of Shares hereunder may be deemed to be "underwriters" as
    that term is defined in the Securities Act, and any commissions received
    by them and profit on any resale of the Shares as principal might be
    deemed to be underwriting discounts and commissions under the Securities
    Act.  The Company has agreed to indemnify the Selling Shareholders
    against certain liabilities, including liabilities under the Securities
    Act as underwriter or otherwise.


                          DESCRIPTION OF CAPITAL STOCK

      As of December 20  , 1996, the Company  had 50,000,000 shares of Common
    Stock authorized  for  issuance,  of which  28,8   92,630 were  issued  and
    outstanding.  Each  share  of  Common  Stock  is  entitled  to  pro  rata
    participation in distributions upon  liquidation and to  one vote on  all
    matters submitted to a vote of shareholders. Dividends may be paid to the
    holders of Common Stock  when and if declared  by the Board of  Directors
    out of funds legally available therefor. Holders of Common Stock have  no
    preemptive, subscription, redemption, conversion  or similar rights.  The
    outstanding shares of  Common Stock  are, and the  shares offered  hereby
    when issued will be, legally issued, fully paid and nonassessable. 

      The shares  of Common  Stock have  noncumulative voting  rights. As  a
    result, the holders of more than 50%  of the shares voting can elect  all
    the directors if they so  choose, and in such  event, the holders of  the
    remaining shares  cannot  elect any  directors.  Upon completion  of  the
    Offerings, ThermoTrex  will  continue  to beneficially  own  at  least  a
    majority of the  outstanding Common  Stock, and  will have  the power  to
    elect all of the members of the Company's Board of Directors.  ThermoTrex
    is a majority-owned subsidiary of Thermo Electron and, therefore,  Thermo
    Electron may be deemed a beneficial  owner of the shares of Common  Stock
    beneficially owned by  ThermoTrex. Thermo  Electron disclaims  beneficial
    ownership of these shares. 


                                       47
PAGE
<PAGE>





      The Company's Certificate of Incorporation contains certain provisions
    permitted under the General Corporation  Law of Delaware relating to  the
    liability of directors. These provisions eliminate a director's liability
    for monetary damages for  a breach of fiduciary  duty, except in  certain
    circumstances involving wrongful acts, such as the breach of a director's
    duty of loyalty or acts or omissions which involve intentional misconduct
    or a  knowing  violation of  law.  The Company's  By-Laws  also  contains
    provisions to indemnify the directors and officers of the Company to  the
    fullest extent permitted by the General Corporation Law of Delaware.  The
    Company believes  that  these  provisions  will  assist  the  Company  in
    attracting and retaining qualified individuals to serve as directors  and
    officers. 

      The transfer  agent and  registrar for  the Common  Stock is  American
    Stock Transfer & Trust Company. 


                        SHARES ELIGIBLE FOR FUTURE SALE

       There are currently 28,892,630 shares of Common Stock outstanding of
    which 6,008,832 are freely tradable without restriction or further
    registration under the Securities Act, except for any shares purchased by
    affiliates of the Company as that term is defined in Rule 144 under the
    Securities Act.

       The remaining 22,883,798 outstanding shares of Common Stock are owned
    by ThermoTrex. ThermoTrex may sell its shares of Common Stock in an
    offering registered under the Securities Act or pursuant to an exemption
    from such registration, such as that provided by Rule 144 under the
    Securities Act. So long as ThermoTrex is able to elect a majority of the
    Board of Directors it will be able to cause the Company at any time to
    register under the Securities Act all or a portion of the Common Stock
    owned by ThermoTrex or its affiliates, in which case it would be able to
    sell such shares without restriction upon effectiveness of the
    registration statement. 

      In general,  under Rule  144 as  currently in  effect,  a stockholder,
    including an affiliate, who has beneficially owned his or her  restricted
    securities (as that term is defined in  Rule 144) for at least two  years
    from the later of the date such securities were acquired from the Company
    or (if applicable)  the date  they were  acquired from  an affiliate,  is
    entitled to sell, within any three-month period, a number of such  shares
    that does not exceed the greater of (i) 1% of the then outstanding shares
    of Common Stock (approximately 288,926 shares) or (ii) the average weekly
    trading volume  in  the  Common  Stock during  the  four  calendar  weeks
    preceding the date  on which notice  of such sale  was filed pursuant  to
    Rule 144 provided certain requirements concerning availability of  public
    information, manner  of  sale  and  notice  of  sale  are  satisfied.  In
    addition, under Rule  144(k), if  a period of  at least  three years  has
    elapsed between the later of the date restricted securities were acquired
    from the Company or (if applicable)  the date they were acquired from  an
    affiliate of the Company,  a stockholder who is  not an affiliate of  the
    Company at the time of sale and has not been an affiliate of the  Company
    for at least  three months  prior to  the sale  is entitled  to sell  the
    shares immediately  without compliance  with the  foregoing  requirements

                                       48
PAGE
<PAGE>





    under Rule 144. The  Securities and Exchange  Commission has proposed  an
    amendment to Rule 144 which would reduce the holding period required  for
    shares subject to  Rule 144  to become eligible  for sale  in the  public
    market from two years to one year,  and from three years to two years  in
    the case of Rule 144(k). 

      The Company has reserved 1,925,000  shares of Common Stock  for grants
    under its existing  stock-based compensation plans.  As of September  28,
    1996 the  Company had  options outstanding  to purchase  up to  1,381,000
    shares of  Common  Stock  to  certain  of  its  employees,  officers  and
    directors at a weighted average exercise  price of $11.14 per share.  All
    of such shares  are currently  exercisable.  Once  exercised, the  shares
    acquired upon  exercise  are subject  to  the  right of  the  Company  to
    repurchase shares at  the exercise  price if  the optionee  ceases to  be
    employed by  the Company.  This repurchase  right lapses  ratably (on  an
    annual basis) over a five to ten  year period depending upon the term  of
    the option. As of September 28, 1996, the repurchase right had lapsed  as
    to no shares issuable upon  exercise of outstanding options. The  Company
    has reserved 543,976 shares  for future grants  under plans. The  Company
    intends to  file  registration statements  under  the Securities  Act  to
    register all shares  of Common  Stock issuable under  such plans.  Shares
    covered  by  these  registration  statements  that  are  not  subject  to
    transferability restrictions  will be  eligible for  sale in  the  public
    market immediately  upon  the  filing of  such  registration  statements,
    subject to Rule 144 limitations applicable to affiliates as noted above. 

      Sales of significant  numbers of  shares of  the Common  Stock in  the
    public market could adversely affect the market price of the Common Stock
    and could impair the Company's future ability to raise capital through an
    offering  of  its  equity   securities.  See  "Risk   Factors-Significant
    Additional Shares Eligible for Future Sale." 


                                 LEGAL OPINIONS

      The validity  of the  issuance  of the  Common  Stock offered  in  the
    Offerings will be passed upon for the Company by Seth H. Hoogasian, Esq.,
    General Counsel  of Thermo  Electron, ThermoTrex  and the  Company.   Mr.
    Hoogasian owns or has the right to acquire 6,000 shares of Common  Stock,
    7,800 shares of common stock of  ThermoTrex and 115,927 shares of  common
    stock of Thermo Electron. 

                                    EXPERTS

      The Consolidated Financial Statements of the Company  included in this
    Prospectus  and  the  financial   statement  schedule  included  in   the
    Registration Statement of which  this Prospectus forms  a part have  been
    audited by Arthur  Andersen LLP, independent  public accountants, to  the
    extent and for  the periods as  indicated in their reports with respect
    thereto, and are included herein in  reliance upon the authority of  said
    firm as experts in accounting and auditing in giving said reports. 

                             ADDITIONAL INFORMATION



                                       49
PAGE
<PAGE>





      The Company has filed with the Securities and Exchange Commission (the
    "Commission") a  Registration Statement  (which  term shall  include  all
    amendments, exhibits  and  schedules  thereto)  on  Form  S-1  under  the
    Securities Act with respect to the shares of Common Stock offered hereby.
    This Prospectus, which constitutes a part of the Registration  Statement,
    does not contain  all of the  information set forth  in the  Registration
    Statement, certain  parts of  which are  omitted in  accordance with  the
    rules and regulations of the Commission, to which Registration  Statement
    reference is hereby made. Although statements made in this Prospectus  as
    to the contents of any contract, agreement or other document referred  to
    set forth all material  elements of such  documents, such statements  are
    not necessarily complete. With respect  to each such contract,  agreement
    or other  document filed  as an  exhibit to  the Registration  Statement,
    reference is made to the exhibit  for a more complete description of  the
    matter involved,  and each  such statement,  although setting  forth  all
    material elements of such  documents, shall be  deemed qualified by  such
    reference. The Registration  Statement and  the exhibits  thereto may  be
    inspected  and  copied  at  prescribed  rates  at  the  public  reference
    facilities maintained by  the Commission at  Room 1024, Judiciary  Plaza,
    450 Fifth  Street,  N.W., Washington,  D.C.  20549 and  at  the  regional
    offices of  the Commission  located  at Seven  World Trade  Center,  13th
    Floor, New York, New York 10048 and 500 West Madison Street, Suite  1400,
    Chicago, Illinois 60661. In addition, the Commission maintains a Web site
    (http://www.sec.gov)  that  contains   reports,  proxy  and   information
    statements and other information regarding registrants































                                       50
PAGE
<PAGE>





                          INDEX TO FINANCIAL STATEMENTS

    Trex Medical Corporation

        Report of Independent Public Accountants                          F-2

        Consolidated Statement of Income for the years ended
         September 28, 1996 and September 30, 1995, the nine
         months ended September 30, 1995 and the year ended
         December 31, 1994                                                F-3

        Consolidated Balance Sheet as of September 28, 1996 and
         September 30, 1995                                               F-4

        Consolidated Statement of Cash Flows for the years ended
         September 28, 1996 and September 30, 1995, the nine
         months ended September 30, 1995 and the year ended
         December 31, 1994                                                F-5

        Consolidated Statement of Shareholders' Investment for
         the years ended September 28, 1996 and September 30, 
         1995, the nine months ended September 30, 1995 and 
         the year ended December 31, 1994                                 F-7

        Notes to Consolidated Financial Statements                        F-8































                                      F-21
PAGE
<PAGE>


        Report of Independent Public Accountants
        -----------------------------------------------------------------


    To the Shareholders and Board of Directors of Trex Medical Corporation:

         We have audited the accompanying consolidated balance sheet of Trex
    Medical Corporation (a Delaware corporation and 80%-owned subsidiary of
    ThermoTrex Corporation) and subsidiaries as of September 28, 1996 and
    September 30, 1995, and the related consolidated statements of income,
    shareholders' investment and cash flows for the year ended September 28,
    1996, the nine months ended September 30, 1995, and the year ended
    December 31, 1994. These consolidated financial statements are the
    responsibility of the Company's management. Our responsibility is to
    express an opinion on these consolidated financial statements based on
    our audits.

         We conducted our audits in accordance with generally accepted
    auditing standards. Those standards require that we plan and perform the
    audit to obtain reasonable assurance about whether the financial
    statements are free of material misstatement. An audit includes
    examining, on a test basis, evidence supporting the amounts and
    disclosures in the financial statements. An audit also includes assessing
    the accounting principles used and significant estimates made by
    management, as well as evaluating the overall financial statement
    presentation. We believe that our audits provide a reasonable basis for
    our opinion.

         In our opinion, the consolidated financial statements referred to
    above present fairly, in all material respects, the financial position of
    Trex Medical Corporation and subsidiaries as of September 28, 1996 and
    September 30, 1995, and the results of their operations and their cash
    flows for the year ended September 28, 1996, the nine months ended
    September 30, 1995, and the year ended December 31, 1994, in conformity
    with generally accepted accounting principles.



                                                   Arthur Andersen LLP



    Boston, Massachusetts
    November 1, 1996
















                                      F-32
PAGE
<PAGE>


        Trex Medical Corporation
        Consolidated Statement of Income

                                                     Nine Months
                                   Year Ended           Ended     Year
                              ---------------------  -----------  ----------
                            Ended
    (In thousands except)     Sept. 28,   Sept. 30,    Sept. 30,    Dec. 31,
    per share amounts)             1996        1995         1995        1994
    ------------------------------------------------------------------------
                                         (Unaudited)

    Revenues (includes $8,910,
      $470, $470 and $0 to
      affiliated companies)
      (Notes 9 and 10)         $150,195    $ 70,505    $ 55,291    $ 54,410
                               --------    --------    --------    --------

    Costs and Operating
      Expenses:
      Cost of revenues 
      (includes $4,698, $223,
        $223 and $0 for 
        affiliated companies
        revenues) (Note 9)       86,642      36,320      28,180      27,794
      Selling, general and
        administrative
        expenses (Note 9)        27,156      15,652      12,174      13,272
      Research and development
        expenses (Note 9)        18,862      11,937       8,595      10,662
                               --------    --------    --------    --------

                                132,660      63,909      48,949      51,728
                               --------    --------    --------    --------

    Operating Income             17,535       6,596       6,342       2,682

    Interest Income               1,290           -           -           -
    Interest Expense, Related
      Party (Note 9)             (1,373)          -           -           -
    Other Income (Expense), Net      60          11          22         (22)
                               --------    --------    --------    --------

    Income Before Provision for
      Income Taxes               17,512       6,607       6,364       2,660
    Provision for Income Taxes
      (Note 7)                    8,168       3,015       2,881       1,466
                               --------    --------    --------    --------

    Net Income                 $  9,344    $  3,592    $  3,483    $  1,194
                               ========    ========    ========    ========

    Earnings per Share:
      Primary                  $    .40    $    .18    $    .17    $    .06
                               ========    ========    ========    ========
      Fully diluted            $    .38    $    .18    $    .17    $    .06
                               ========    ========    ========    ========

    Weighted Average Shares:
      Primary                    23,483      20,151      20,151      20,151
                               ========    ========    ========    ========
      Fully diluted              26,550      20,151      20,151      20,151
                               ========    ========    ========    ========
    The accompanying notes are an integral part of these consolidated
    financial statements.


                                      F-43
PAGE
<PAGE>


        Trex Medical Corporation
        Consolidated Balance Sheet

                                                September 28,  September 30,
    (In thousands except share amounts)                  1996           1995
    ------------------------------------------------------------------------

    Assets
    Current Assets:
      Cash and cash equivalents                      $ 33,966       $    202
      Accounts receivable, less allowances
        of $1,264 and $870                             29,104         14,937
      Inventories                                      33,010         16,667
      Prepaid expenses                                  1,316            113
      Prepaid income taxes (Note 7)                     5,712          3,474
                                                     --------       --------
                                                      103,108         35,393
                                                     --------       --------

    Property, Plant and Equipment, at Cost, Net        13,770          7,811
                                                     --------       --------
    Cost in Excess of Net Assets of Acquired
      Companies (Note 3)                               83,972         59,170
                                                     --------       --------

                                                     $200,850       $102,374
                                                     ========       ========

    Liabilities and Shareholders' Investment
    Current Liabilities:
      Accounts payable                               $ 12,598       $  7,381
      Accrued payroll and employee benefits             4,616          2,338
      Accrued warranty costs                            5,344          2,991
      Customer deposits                                 3,414            771
      Accrued income taxes                              2,010              -
      Other accrued expenses (Note 3)                  12,203          8,245
      Due to affiliated companies                       3,089            496
                                                     --------       --------
                                                       43,274         22,222
                                                     --------       --------

    Deferred Income Taxes (Note 7)                        170            142
                                                     --------       --------
    Long-term Obligations:
      4.2% Subordinated convertible note, due
        to parent company (Note 9)                      8,000              -
      Other                                               109              -
                                                     --------       --------
                                                        8,109              -
                                                     --------       --------

    Commitments and Contingencies
      (Notes 3, 8, 9 and 11)

    Shareholders' Investment (Notes 4 and 5):
      Common stock, $.01 par value, 50,000,000
        shares authorized; 28,592,630 shares
        issued and outstanding in 1996                    286              -
      Capital in excess of par value                  139,667              -
      Retained earnings                                 9,344              -
      Net parent company investment                         -         80,010
                                                     --------       --------
                                                      149,297         80,010
                                                     --------       --------

                                                     $200,850       $102,374
                                                     ========       ========
    The accompanying notes are an integral part of these consolidated
    financial statements.


                                      F-54
PAGE
<PAGE>


        Trex Medical Corporation
        Consolidated Statement of Cash Flows

                                                                             
                                                    Nine Months
                                   Year Ended          Ended     Yea
                              --------------------- -----------  ----
                                                                      Ended
                                                                     ------
                              Sept. 28,   Sept. 30,   Sept. 30,    Dec. 31,
    (In thousands)                 1996        1995        1995        1994
    -----------------------------------------------------------------------
                                         (Unaudited)
    Operating Activities:
      Net income               $  9,344    $  3,592   $  3,483    $  1,194
      Adjustments to reconcile
        net income to net cash
        provided by operating
        activities:
          Depreciation and
            amortization          3,195       1,702      1,315       1,491
          Provision for losses
            on accounts
            receivable              273          75         25         175
          Increase (decrease)
            in deferred income
            taxes                   (26)         61         29          32
          Gain on sale of
            property, plant
            and equipment           (32)        (15)       (15)          -
          Changes in current
            accounts, exclud-
            ing the effects
            of acquisitions:
              Accounts
                receivable       (7,681)     (1,305)      (693)     (3,316)
              Inventories        (2,105)       (533)    (1,476)        153
              Other current
                assets           (1,835)         (6)       (82)        125
              Accounts payable      106       2,342        621       1,861
              Other current
                liabilities       4,711      (1,139)       444         411
                               --------    --------   --------    --------

      Net cash provided by
        operating activities      5,950       4,774      3,651       2,126
                               --------    --------   --------    --------

    Investing Activities:
      Acquisitions, net of cash
        acquired (Note 3)       (36,888)          -          -           -
      Purchases of property,
        plant and equipment      (3,071)     (1,533)      (957)     (1,300)
      Other, net                     16          14         14          29
                               --------    --------   --------    --------

      Net cash used in
        investing activities   $(39,943)   $ (1,519)  $   (943)   $ (1,271)
                               --------    --------   --------    --------








                                       F-5
PAGE
<PAGE>


        Trex Medical Corporation
        Consolidated Statement of Cash Flows (continued)


                                                     Nine Months
                                   Year Ended           Ended     Year
                             ----------------------  -----------  ----
                                                                       Ended
                                                      ------
                             Sept. 28,    Sept. 30,    Sept. 30,    Dec. 31,
    (In thousands)                1996         1995         1995        1994
    ------------------------------------------------------------------------
                                         (Unaudited)
    Financing Activities:
      Net proceeds from
        issuance of Company
        common stock (Note 4) $ 67,757     $      -    $      -     $      -
      Net transfers to parent
        company                      -       (3,053)     (2,506)        (855)
                              --------     --------    --------     --------

      Net cash provided by
        (used in) financing
        activities              67,757       (3,053)     (2,506)        (855)
                              --------     --------    --------     --------

    Increase in Cash and
      Cash Equivalents          33,764          202         202            -
    Cash and Cash Equivalents
      at Beginning of Period       202            -           -            -
                              --------     --------    --------     --------

    Cash and Cash Equivalents
      at End of Period        $ 33,966     $    202    $    202     $      -
                              ========     ========    ========     ========

    Cash Paid For:
      Interest                $  1,373     $      -    $      -     $      -
      Income taxes            $  1,294     $      -    $      -     $      -

    Noncash Activities:
      Fair value of assets of
        acquired companies    $ 53,519     $      -    $      -     $      -
      Cash paid for acquired
        companies              (38,178)           -           -            -
                              --------     --------    --------     --------
          Liabilities assumed
           of acquired
           companies          $ 15,341     $      -    $      -     $      -
                              ========     ========    ========     ========
      Transfer of acquired
        business from
        parent company, net
        of cash               $      -     $ 42,000    $ 42,000     $      -
      Issuance of subordinated
        convertible note to
        parent company        $ 42,000     $      -    $      -     $      -
      Conversions of subord-
        inated convertible
        note by parent
        company               $ 34,000     $      -    $      -     $      -


    The accompanying notes are an integral part of these consolidated
    financial statements.


                                       F-6
PAGE
<PAGE>


        Trex Medical Corporation
        Consolidated Statement of Shareholders' Investment



                                    Common    Capital
                                    Stock,  in Excess             Net Parent
                                  $.01 Par     of Par    Retained    Company
    (In thousands)                   Value      Value    Earnings Investment
    ------------------------------------------------------------------------

    Balance January 1, 1994      $      -   $      -    $      -    $ 36,694
    Net income                          -          -           -       1,194
    Net transfers to parent
      company                           -          -           -        (855)
                                 --------   --------    --------    --------

    Balance December 31, 1994           -          -           -      37,033
    Net income                          -          -           -       3,483
    Net transfers to parent
      company                           -          -           -      (2,506)
    Transfer of acquired
      business from parent
      company, net of cash
      (Note 3)                          -          -           -      42,000
                                 --------   --------    --------    --------

    Balance September 30, 1995          -          -           -      80,010
    Issuance of subordinated
      convertible note to parent
      company (Note 9)                  -    (42,000)          -           -
    Capitalization of Company         200     79,810           -     (80,010)
    Net income                          -          -       9,344           -
    Net proceeds from issuance
      of Company common stock
      (Note 4)                         57     67,700           -           -
    Tax benefit related to
      employees' and directors'
      stock plans                       -        186           -           -
    Conversions of subordinated
      convertible note by parent
      company (Note 4)                 29     33,971           -           -
                                 --------   --------    --------    --------

    Balance September 28, 1996   $    286   $139,667    $  9,344    $      -
                                 ========   ========    ========    ========


    The accompanying notes are an integral part of these consolidated
    financial statements.
                                          












                                       F-7
PAGE
<PAGE>


        Trex Medical Corporation
        Notes to Consolidated Financial Statements

    1.   Nature of Operations and Summary of Significant Accounting Policies

    Nature of Operations

         Trex Medical Corporation (the Company) designs, manufactures, and
    markets mammography equipment and minimally invasive stereotactic breast-
    biopsy systems used for the detection of breast cancer. The Company also
    designs and manufactures general radiography (X-ray) equipment and X-ray
    imaging systems used for cardiac catheterization and angiography, as well
    as radiographic fluoroscopy. The Company's mammography and stereotactic
    breast-biopsy systems are used by radiologists and physicians in offices,
    hospitals, and dedicated breast-care centers, and its general X-ray
    systems are used by physicians and radiologists, both in office and
    hospital settings, as well as by veterinarians and chiropractors.

    Relationship with ThermoTrex Corporation and Thermo Electron Corporation

         The Company was incorporated in September 1995 as a wholly owned
    subsidiary of ThermoTrex Corporation (ThermoTrex). On October 2, 1995,
    ThermoTrex transferred to the Company all of the outstanding shares of
    capital stock of Bennett X-Ray Corporation (Bennett), in exchange for a
    $42.0 million principal amount 4.2% subordinated convertible note
    (Note 9). As of September 28, 1996, ThermoTrex had converted $34.0
    million principal amount of this note. On October 16, 1995, ThermoTrex
    transferred to the Company the assets, liabilities, and businesses of
    ThermoTrex's Lorad division (Lorad) and ThermoTrex's research and
    development activities pertaining to its Sonic CT(TM) system, in exchange
    for 20,000,000 shares of the Company's common stock. ThermoTrex acquired
    Lorad and Bennett in November 1992 and September 1995, respectively.

         As of September 28, 1996, ThermoTrex owned 22,883,798 shares of the
    Company's common stock, representing 80% of such stock outstanding.
    ThermoTrex is a 51%-owned subsidiary of Thermo Electron Corporation
    (Thermo Electron).

    Principles of Consolidation

         The accompanying financial statements include the accounts of the
    Company and its wholly owned subsidiaries. All material intercompany
    accounts and transactions have been eliminated.

    Fiscal Year

         In September 1995, the Company changed its fiscal year end from the
    Saturday nearest December 31 to the Saturday nearest September 30.
    Accordingly, the Company's transition period, which ended on September
    30, 1995, was the 39-week period from January 1, 1995 to September 30,
    1995, referenced as "fiscal 1995." References to "fiscal 1996" and "1994"
    are for the years ended September 28, 1996 and December 31, 1994,
    respectively. Fiscal 1996 and 1994 each included 52 weeks. The unaudited
    consolidated statements of income and cash flows for the 52-week period
    ended September 30, 1995 are presented for comparative purposes only.




                                      F-10
PAGE
<PAGE>


        Trex Medical Corporation
        Notes to Consolidated Financial Statements

    1.   Nature of Operations and Summary of Significant Accounting Policies
         (continued)

    Revenue Recognition

         The Company recognizes revenues upon shipment of its products. The
    Company provides a reserve for its estimate of warranty costs at the time
    of shipment.

    Concentration of Credit Risk

         The Company sells its products primarily to customers in the
    healthcare industry. The Company does not normally require collateral or
    other security to support its accounts receivable. Management does not
    believe that this concentration of credit risk has, or will have, a
    significant negative impact on the Company.

    Income Taxes

         The Company and ThermoTrex have a tax allocation agreement under
    which the Company is included in the consolidated income tax returns
    filed by ThermoTrex. The agreement provides that in years in which the
    Company has taxable income, it will pay to ThermoTrex amounts comparable
    to the taxes the Company would have paid upon filing separate tax
    returns. If ThermoTrex's equity ownership of the Company were to decrease
    below 80%, the Company would file its own income tax returns.

         In accordance with Statement of Financial Accounting Standards
    (SFAS) No. 109, "Accounting for Income Taxes," the Company recognizes
    deferred income taxes based on the expected future tax consequences of
    differences between the financial statement basis and the tax basis of
    assets and liabilities, calculated using enacted tax rates in effect for
    the year in which the differences are expected to be reflected in the tax
    return.

    Earnings per Share

         Earnings per share have been computed based on the weighted average
    number of shares outstanding during the period. Pursuant to Securities
    and Exchange Commission requirements, earnings per share have been
    presented for all periods. Weighted average shares for all periods
    include the 20,000,000 shares issued to ThermoTrex in connection with the
    initial capitalization of the Company and, for periods prior to the
    Company's initial public offering, the effect of the assumed exercise of
    stock options issued within one year prior to the Company's initial
    public offering. Because the effect of common stock equivalents would be
    immaterial, they have been excluded from the primary earnings per share
    calculation subsequent to the Company's initial public offering. Fully
    diluted earnings per share include the assumed exercise of stock options
    and the assumed effect of the conversion of the Company's 4.2%
    subordinated convertible note, due to parent company.





                                      F-11
PAGE
<PAGE>


        Trex Medical Corporation
        Notes to Consolidated Financial Statements

    1.   Nature of Operations and Summary of Significant Accounting Policies
         (continued)

    Cash and Cash Equivalents

         As of September 28, 1996, $32,696,000 of the Company's cash
    equivalents were invested in a repurchase agreement with Thermo Electron.
    Under this agreement, the Company in effect lends excess cash to Thermo
    Electron, which Thermo Electron collateralizes with investments
    principally consisting of corporate notes, U.S. government agency
    securities, money market funds, commercial paper, and other marketable
    securities, in the amount of at least 103% of such obligation. The
    Company's funds subject to the repurchase agreement are readily
    convertible into cash by the Company. The repurchase agreement earns a
    rate based on the 90-day Commercial Paper Composite Rate plus 25 basis
    points, set at the beginning of each quarter. 

         Prior to its incorporation in September 1995, the Company's cash
    receipts and disbursements were combined with other ThermoTrex corporate
    cash transactions and balances.

    Inventories

         Inventories are stated at the lower of cost (on a first-in,
    first-out basis) or market value and include materials, labor, and
    manufacturing overhead. The components of inventories are as follows:

    (In thousands)                                         1996       1995
    ----------------------------------------------------------------------

    Raw materials and supplies                          $20,513    $ 9,414
    Work in process                                       9,218      5,195
    Finished goods                                        3,279      2,058
                                                        -------    -------

                                                        $33,010    $16,667
                                                        =======    =======





















                                      F-12
PAGE
<PAGE>


        Trex Medical Corporation
        Notes to Consolidated Financial Statements

    1.   Nature of Operations and Summary of Significant Accounting Policies
         (continued)

    Property, Plant and Equipment

         The costs of additions and improvements are capitalized, while
    maintenance and repairs are charged to expense as incurred. The Company
    provides for depreciation and amortization principally using the
    straight-line method over the estimated useful lives of the property as
    follows: buildings, 29 to 31.5 years; machinery and equipment, 3 to 8
    years; and leasehold improvements, the shorter of the term of the lease
    or the life of the asset. Property, plant and equipment consist of the
    following: 

    (In thousands)                                         1996       1995
    ----------------------------------------------------------------------

    Land                                                $ 1,194     $1,000
    Buildings                                             3,788      2,728
    Leasehold improvements                                2,195      1,293
    Machinery and equipment                              10,082      4,918
                                                        -------     ------

                                                         17,259      9,939
    Less: Accumulated depreciation and amortization       3,489      2,128
                                                        -------     ------

                                                        $13,770     $7,811
                                                        =======     ======

    Cost in Excess of Net Assets of Acquired Companies

         The excess of cost over the fair value of net assets of acquired
    companies is amortized using the straight-line method over 40 years.
    Accumulated amortization was $3,621,000 and $1,935,000 as of September
    28, 1996 and September 30, 1995, respectively. The Company assesses the
    future useful life of this asset whenever events or changes in
    circumstances indicate that the current useful life has diminished. The
    Company considers the future undiscounted cash flows of the acquired
    businesses in assessing the recoverability of this asset.

    Use of Estimates

         The preparation of financial statements in conformity with generally
    accepted accounting principles requires management to make estimates and
    assumptions that affect the reported amounts of assets and liabilities,
    disclosure of contingent assets and liabilities at the date of the
    financial statements, and the reported amounts of revenues and expenses
    during the reporting period. Actual results could differ from those
    estimates.









                                      F-13
PAGE
<PAGE>


        Trex Medical Corporation
        Notes to Consolidated Financial Statements

    2.   Unaudited Comparative Results

         The following unaudited financial information for the nine months
    ended October 1, 1994 is presented to provide comparative results for
    fiscal 1995, included in the accompanying statement of income.

                                                                   Nine
                                                               Months Ended
                                                                October 1,
    (In thousands except per share amounts)                        1994    

    Revenues                                                     $39,196

    Costs and Operating Expenses:
      Cost of revenues                                            19,654
      Selling, general and administrative
        expenses                                                   9,794
      Research and development expenses                            7,320
                                                                 -------

                                                                  36,768
                                                                 -------

    Operating Income                                               2,428

    Other Expense, Net                                               (11)
                                                                 -------

    Income Before Provision for Income Taxes                       2,417

    Provision for Income Taxes                                     1,332
                                                                 -------

    Net Income                                                   $ 1,085
                                                                 =======

    Earnings per Share:
      Primary                                                    $   .05
                                                                 =======
      Fully diluted                                              $   .05
                                                                 =======

    Weighted Average Shares:
      Primary                                                     20,151
                                                                 =======
      Fully diluted                                               20,151
                                                                 =======


    3.   Acquisitions

         In September 1996, the Company acquired substantially all of the
    assets and liabilities of Continental X-Ray Corporation and affiliates
    (Continental), an Illinois-based company that designs, manufactures, and
    markets general-purpose and specialized X-ray systems, for approximately
    $18.4 million in cash, net of cash acquired and including the repayment
    of debt.



                                      F-14
PAGE
<PAGE>


        Trex Medical Corporation
        Notes to Consolidated Financial Statements

    3.   Acquisitions (continued)

         In May 1996, the Company acquired substantially all of the assets
    and liabilities of XRE Corporation (XRE), a Massachusetts-based company
    that designs, manufactures, and markets X-ray imaging systems used in the
    diagnosis and treatment of coronary artery disease and other vascular
    conditions, for approximately $18.5 million in cash, net of cash acquired
    and including the repayment of debt.

         In September 1995, ThermoTrex acquired all of the outstanding
    capital stock of Bennett, a New York-based manufacturer of high-frequency
    specialty and general-purpose X-ray systems, for approximately $42.9
    million in cash. On October 2, 1995, ThermoTrex transferred to the
    Company all of the outstanding capital stock of Bennett, in exchange for
    a $42.0 million principal amount 4.2% subordinated convertible note
    (Note 9). 

         These acquisitions have been accounted for using the purchase
    method of accounting, and their results of operations have been included
    in the accompanying financial statements from their respective dates of
    acquisition by the Company, or for Bennett, by ThermoTrex. The cost of
    the acquisitions exceeded the estimated fair value of the acquired net
    assets by $64.0 million, which is being amortized over 40 years.
    Allocation of the purchase price for these acquisitions was based on
    estimates of the fair value of the net assets acquired and, for XRE and
    Continental, is subject to adjustment upon finalization of the purchase
    price allocation. To date, no information has been gathered that would
    cause the Company to believe that the final allocation of the purchase
    price will be materially different from the preliminary estimate.

         Based on unaudited data, the following table presents selected
    financial information for the Company and the businesses acquired on a
    pro forma basis, assuming Continental and XRE had been combined since the
    beginning of 1995 and Bennett had been combined since the beginning of
    1994. 

                                                     Nine
                                  Year Ended     Months Ended    Year Ended
    (In thousands except         September 28,   September 30,  December 31,
    per share amounts)                1996            1995          1994
    ------------------------------------------------------------------------

    Revenues                        $191,351        $126,185        $96,943
    Net income (loss)                  9,300           2,012         (1,258)
    Earnings (loss) per share:
      Primary                            .29             .07           (.06)
      Fully diluted                      .29             .07           (.06)

         The pro forma results are not necessarily indicative of future
    operations or the actual results that would have occurred had the
    acquisitions of XRE and Continental been made at the beginning of fiscal
    1995 and the acquisition of Bennett been made at the beginning of 1994.

         In November 1992, ThermoTrex acquired Lorad for $5.3 million in
    cash, assumption of $6.7 million of pre-existing debt of Lorad, and
    shares of ThermoTrex common stock and stock options valued at $12.3

                                      F-15
PAGE
<PAGE>


        Trex Medical Corporation
        Notes to Consolidated Financial Statements

    3.   Acquisitions (continued)

    million. In addition, in March 1995, ThermoTrex made a cash payment of
    $2.3 million to the holders of approximately 9.2% of Lorad's common stock
    who had earlier voted against the acquisition, in exchange for their
    interest in Lorad.

         Other accrued expenses in the accompanying balance sheet include
    $3.5 million and $4.0 million as of September 28, 1996 and September 30,
    1995, respectively, for estimated reserves associated with acquisitions,
    including a reserve of approximately $2 million for legal fees and other
    costs associated with a patent infringement suit that existed prior to
    ThermoTrex's acquisition of Lorad. This suit was brought by Fischer
    Imaging Corporation (Fischer), which alleges that Lorad infringes a
    Fischer patent on a precision mammographic needle-biopsy system. In
    connection with the organization of the Company, ThermoTrex agreed to
    indemnify the Company for any and all cash damages under this lawsuit,
    with respect to sales occurring prior to October 16, 1995, the date Lorad
    was transferred to the Company. Any payments received under such
    indemnity would be treated as a contribution to shareholders' investment.
    While the Company believes that it has meritorious legal defenses to the
    allegation, due to the inherent uncertainties of litigation, the Company
    is unable to predict the outcome of this matter. Although an unsuccessful
    resolution could have a material adverse effect on the Company's results
    of operations, in the opinion of management any resolution will not have
    a material adverse effect on the Company's financial position.


    4.   Common Stock

    Sale of Common Stock

         In July 1996, the Company sold 2,875,000 shares of its common stock
    in an initial public offering and 871,832 shares of its common stock in a
    concurrent rights offering, at $14.00 per share, for net proceeds of
    $49.1 million.

         In November 1995, the Company issued 1,862,000 shares of its common
    stock in a private placement at $10.25 per share for net proceeds of
    $17.6 million. In January 1996, the Company issued 100,000 shares of its
    common stock in a private placement at $10.75 per share for net proceeds
    of $1.1 million. Certain officers and directors of the Company purchased
    an aggregate of 143,300 shares of the Company's common stock issued in
    these private placements. In addition, an entity indirectly related to a
    director of the Company purchased 200,000 shares of the Company's common
    stock issued in these private placements. This director, however,
    disclaims beneficial ownership of such shares.

    Conversion of Subordinated Convertible Note

         During fiscal 1996, ThermoTrex converted $34.0 million principal
    amount of the Company's 4.2% subordinated convertible note into 2,883,798
    shares of the Company's common stock.



                                      F-16
PAGE
<PAGE>


        Trex Medical Corporation
        Notes to Consolidated Financial Statements

    4.   Common Stock (continued)

    Reserved Shares

         As of September 28, 1996, the Company had reserved 2,603,542
    unissued shares of its common stock for possible issuance under
    stock-based compensation plans and conversion of the Company's 4.2%
    subordinated convertible note, due to parent company.

    5.   Stock-based Compensation Plans

         On November 1, 1995, the Company adopted a stock-based compensation
    plan for its key employees, directors, and others, which permits the
    grant of a variety of stock and stock-based awards as determined by the
    human resources committee of the Company's Board of Directors (the Board
    Committee), including restricted stock, stock options, stock bonus shares
    or performance-based shares. The option recipients and the terms of
    options granted under this plan are determined by the Board Committee.
    Options granted to date became exercisable on September 30, 1996, and are
    subject to certain transfer restrictions and the right of the Company to
    repurchase shares issued upon exercise of the options at the exercise
    price, upon certain events. The restrictions and repurchase rights
    generally lapse ratably over periods ranging from five to ten years after
    the first anniversary of the grant date, depending on the term of the
    option, which may range from ten to twelve years. Nonqualified stock
    options may be granted at any price determined by the Board Committee,
    although incentive stock options must be granted at not less than the
    fair market value of the Company's common stock on the date of grant. To
    date, all options have been granted at fair market value. The Company
    also has a directors' stock option plan, adopted on November 1, 1995,
    that provides for the grant of stock options, at fair market value, to
    outside directors pursuant to a formula approved by the Company's
    shareholders. Options granted under this plan have the same general terms
    as options granted under the stock-based compensation plan described
    above, except that the restrictions and repurchase rights generally lapse
    ratably over a four-year period and the option term is five years. In
    addition to the Company's stock-based compensation plans, certain
    officers and key employees may also participate in the stock-based
    compensation plans of Thermo Electron or its majority-owned subsidiaries.

















                                      F-17
PAGE
<PAGE>


        Trex Medical Corporation
        Notes to Consolidated Financial Statements

    5.   Stock-based Compensation Plans (continued)

         No accounting recognition is given to options granted at fair
    market value until they are exercised. Upon exercise, net proceeds,
    including tax benefits realized, are credited to equity. A summary of the
    Company's stock option information for fiscal 1996 is as follows:

                                                                  Range of
                                                                    Option
                                                     Number         Prices
                                                         of            per
    (In thousands except per share amounts)          Shares          Share
    ----------------------------------------------------------------------
    Options outstanding, beginning of year                -   $          -

      Granted                                         1,401    10.25-12.00

      Exercised                                           -              -

      Lapsed or cancelled                               (20)         11.00
                                                      -----    -----------

    Options outstanding, end of year                  1,381   $10.25-12.00
                                                      =====

    Options exercisable                                   -
                                                      =====

    Options available for grant                         519
                                                      =====

    6.   Employee Benefit Plans

    Employee Stock Purchase Plan

         Substantially all of the Company's full-time employees are eligible
    to participate in an employee stock purchase plan sponsored by
    ThermoTrex. Under this plan, shares of ThermoTrex's and Thermo Electron's
    common stock can be purchased at the end of a 12-month plan year at 95%
    of the fair market value at the beginning of the plan year, and the
    shares purchased are subject to a six-month resale restriction. Prior to
    November 1, 1995, the applicable shares of common stock could be
    purchased at 85% of the fair market value at the beginning of the plan
    year, and the shares purchased were subject to a one-year resale
    restriction. Shares are purchased through payroll deductions of up to 10%
    of each participating employee's gross wages.

    401(k) Savings Plan

         The majority of the Company's full-time employees are eligible to
    participate in Thermo Electron's 401(k) savings plan. Contributions to
    the 401(k) savings plan are made by both the employee and the Company.
    Company contributions are based upon the level of employee contributions.
    The Company contributed and charged to expense for these plans $701,000,
    $242,000, and $313,000, in fiscal 1996, fiscal 1995, and 1994,
    respectively.


                                      F-18
PAGE
<PAGE>


        Trex Medical Corporation
        Notes to Consolidated Financial Statements

    7.   Income Taxes

         The components of the provision for income taxes for fiscal 1996,
    fiscal 1995, and 1994 are as follows:

    (In thousands)                                 1996      1995      1994
    -----------------------------------------------------------------------

    Currently payable:
      Federal                                    $6,324    $2,474    $1,119
      State                                       1,866       808       547
                                                 ------    ------    ------

                                                  8,190     3,282     1,666
                                                 ------    ------    ------

    Prepaid:
      Federal                                       (16)     (228)     (146)
      State                                          (6)     (173)      (54)
                                                 ------    ------    ------

                                                    (22)     (401)     (200)
                                                 ------    ------    ------

                                                 $8,168    $2,881    $1,466
                                                 ======    ======    ======

         The Company receives a tax deduction upon exercise of nonqualified
    stock options by employees for the difference between the exercise price
    and the market price of the Company's common stock on the date of
    exercise. The provision for income taxes that is currently payable does
    not reflect $186,000 of such benefits that have been allocated to capital
    in excess of par value for fiscal 1996 resulting from employee exercises
    of stock options in affiliated companies.

         The provision for income taxes in the accompanying statement of
    income for fiscal 1996, fiscal 1995, and 1994 differs from the provision
    calculated by applying the statutory federal income tax rate of 35% in
    fiscal 1996 and 34% in fiscal 1995 and 1994 to income before provision
    for income taxes due to the following:

    (In thousands)                                 1996      1995      1994
    -----------------------------------------------------------------------

    Provision for income taxes
      at statutory rate                          $6,129    $2,164    $  904
    Increases resulting from:
      State income taxes, net of federal tax      1,209       419       325
      Amortization of cost in excess of net
        assets of acquired companies                541       197       228
      Other, net                                    289       101         9
                                                 ------    ------    ------

                                                 $8,168    $2,881    $1,466
                                                 ======    ======    ======








                                      F-19
PAGE
<PAGE>


        Trex Medical Corporation
        Notes to Consolidated Financial Statements

    7.   Income Taxes (continued)

         Prepaid income taxes and deferred income taxes in the accompanying
    balance sheet consist of the following:

    (In thousands)                                            1996      1995
    ------------------------------------------------------------------------

    Prepaid income taxes:
      Reserves and accruals                                 $3,409    $1,725
      Accrued compensation                                   1,107       463
      Allowance for doubtful accounts                          430       348
      Inventory basis difference                               766       918
      Other, net                                                 -        20
                                                            ------    ------

                                                            $5,712    $3,474
                                                            ======    ======
    Deferred income taxes:
      Depreciation                                          $  170    $  142
                                                            ======    ======


    8.   Commitments

         The Company leases portions of its office and operating facilities
    under various noncancelable operating lease arrangements expiring between
    fiscal 1997 and fiscal 2006. The accompanying statement of income
    includes expenses from these operating leases of $674,000, $44,000, and
    $40,000 in fiscal 1996, fiscal 1995, and 1994, respectively. Future
    minimum payments due under these noncancelable operating leases at
    September 28, 1996, are $1,443,000 in fiscal 1997; $1,406,000 in fiscal
    1998; $1,377,000 in fiscal 1999; $1,372,000 in fiscal 2000; $1,372,000 in
    fiscal 2001; and $6,409,000 in fiscal 2002 and thereafter. Total future
    minimum lease payments are $13,379,000. The Company also has an operating
    lease arrangement with a related party as discussed in Note 9.


    9.   Related Party Transactions

    Corporate Services Agreement

         The Company and Thermo Electron have a corporate services agreement
    under which Thermo Electron's corporate staff provides certain
    administrative services, including certain legal advice and services,
    risk management, certain employee benefit administration, tax advice and
    preparation of tax returns, centralized cash management, and certain
    financial and other services, for which the Company pays Thermo Electron
    annually an amount equal to 1.0% of the Company's revenues. The Company
    paid an annual fee equal to 1.20% and 1.25% of the Company's revenues in
    calendar year 1995 and 1994, respectively. The annual fee is reviewed and
    adjusted annually by mutual agreement of the parties. For these services,
    the Company was charged $1,567,000, $663,000, and $680,000 in fiscal
    1996, fiscal 1995, and 1994, respectively. Management believes that the
    service fee charged by Thermo Electron is reasonable and that such fees
    are representative of the expenses the Company would have incurred on a
    stand-alone basis. The corporate services agreement is renewed annually

                                      F-20
PAGE
<PAGE>


        Trex Medical Corporation
        Notes to Consolidated Financial Statements

    9.   Related Party Transactions (continued)

    but can be terminated upon 30 days' prior notice by the Company or upon
    the Company's withdrawal from the Thermo Electron Corporate Charter (the
    Thermo Electron Corporate Charter defines the relationship among Thermo
    Electron and its majority-owned subsidiaries). For additional items such
    as employee benefit plans, insurance coverage, and other identifiable
    costs, Thermo Electron charges the Company based upon costs attributable
    to the Company.

    Related Party Revenues

         ThermoLase Corporation (ThermoLase), a majority-owned subsidiary of
    ThermoTrex, has engaged the Company to design and manufacture the laser
    to be used in ThermoLase's laser-based hair-removal system. During fiscal
    1996 and fiscal 1995, the Company recorded $8,549,000 and $350,000,
    respectively, of revenue under this agreement.

         Under an arrangement with Thermedics Detection Inc., a
    majority-owned subsidiary of Thermedics Inc., a majority-owned subsidiary
    of Thermo Electron, the Company manufactures an X-ray source, pursuant to
    written purchase orders, that is used as a component to a fill-measuring
    device produced by Thermedics Detection Inc. During fiscal 1996 and
    fiscal 1995, the Company recorded $361,000 and $120,000, respectively, of
    revenue under this agreement.

    Vendor Agreement

         During fiscal 1995, the Company placed an order for $2,500,000 for
    the design and production of high-transmission cellular grids from Thermo
    Electron's Tecomet division (Tecomet), which will be received through
    fiscal 1997. During fiscal 1996, the Company purchased grids valued at
    $397,000 from Tecomet under this arrangement. In addition, the Company
    recorded expense of $250,000 during each of fiscal 1996 and fiscal 1995
    related to research and development funding provided to Tecomet in
    connection with this project.

    Research and Development Agreement

         In October 1995, the Company and ThermoTrex entered into a license
    agreement under which the Company may elect to fund approximately $6.0
    million of ThermoTrex's research and development efforts related to
    direct-detection digital imaging technology in certain medical imaging
    fields.  If the Company elects to fund such costs, it is required to pay
    approximately $2.0 million in each of three years through fiscal 1998 and
    its license will be extended to cover such fields.  In fiscal 1996, the
    Company recorded $1,800,000 of expense under this agreement.  Prior to
    this agreement, ThermoTrex provided certain research and development
    contract services to the Company, which were charged to the Company based
    on actual cost and usage. For these services, the Company was charged
    $1,536,000, and $2,816,000 in fiscal 1995 and 1994, respectively.





                                      F-21
PAGE
<PAGE>


        Trex Medical Corporation
        Notes to Consolidated Financial Statements

    9.   Related Party Transactions (continued)

    Operating Lease

         The Company leases an office and operating facility from a realty
    trust controlled by an employee under a noncancelable operating lease
    arrangement expiring in fiscal 2012. The accompanying statement of income
    includes expenses from this operating lease of $286,000 in fiscal 1996.
    Future minimum payments due under this noncancelable operating lease at
    September 28, 1996, are $858,000 per year in fiscal 1997, 1998, 1999, and
    2000; $897,000 in fiscal 2001; and $11,102,000 in fiscal 2002 and
    thereafter. Total future minimum lease payments are $15,431,000.

    Repurchase Agreement

         The Company invests excess cash in a repurchase agreement with
    Thermo Electron as discussed in Note 1.

    Subordinated Convertible Note

         In September 1995, ThermoTrex acquired all of the outstanding
    capital stock of Bennett for approximately $42.9 million in cash. On
    October 2, 1995, ThermoTrex transferred to the Company all of the
    outstanding capital stock of Bennett, in exchange for a $42.0 million
    principal amount 4.2% subordinated convertible note, due 2000,
    convertible into shares of the Company's common stock at $11.79 per
    share. As of September 28, 1996, ThermoTrex had converted $34.0 million
    principal amount of this note.


    10.  Significant Customers and Export Sales

         Sales to one customer accounted for 11% of the Company's total
    revenues in fiscal 1996, and sales to another customer accounted for 18%
    and 11% of the Company's total revenues in fiscal 1995 and 1994,
    respectively. Export sales to Germany accounted for 7%, 11%, and 3% of
    the Company's total revenues in fiscal 1996, fiscal 1995, and 1994,
    respectively. Other export sales accounted for 15%, 10%, and 11% of the
    Company's total revenues in fiscal 1996, fiscal 1995, and 1994,
    respectively. In general, export sales are denominated in U.S. dollars.


    11.  Contingencies

         The owner of a U.S. patent related to automatic exposure control
    has claimed that the Company's mammography systems infringe such patent.
    The patent owner has offered a nonexclusive license under the patent on
    terms not acceptable to the Company. Although the Company believes that
    the validity of the patent may be questionable and subject to a
    successful challenge, if the patent holder were successful in enforcing
    such patent the Company could be enjoined from manufacturing and selling
    mammography systems. The Company will be indemnified by ThermoTrex for
    any cash damages relating to sales of such systems occurring prior to the
    dates on which ThermoTrex transferred certain businesses to the Company,
    although any payments under such indemnity would be treated as a

                                      F-22
PAGE
<PAGE>


        Trex Medical Corporation
        Notes to Consolidated Financial Statements

    11.  Contingencies (continued)

    contribution to shareholders' investment. In addition, the Company is
    aware of two U.S. patents owned by a former employee which have been
    asserted against the Company relating to its High-Transmission Cellular
    (HTC)(TM) grid to be used with the Company's mammography systems.
    Although the Company believes that the HTC grid does not infringe either
    of these patents, if the holder of the patents were successful in
    enforcing such patents, the Company could be subject to damages and
    enjoined from manufacturing and selling the HTC grid. 

         See Note 3 for a discussion of certain additional litigation.

         Due to the inherent uncertainty of dispute resolution, management
    cannot predict the outcome of these matters. While an unfavorable outcome
    of one or more of these matters could have a material adverse effect on
    the Company's results of operations, in the opinion of management any
    resolution will not have a material effect on the Company's financial
    position.


    12.  Fair Value of Financial Instruments

         The Company's financial instruments consist primarily of cash and
    cash equivalents, accounts receivable, accounts payable, due to
    affiliated companies, and its 4.2% subordinated convertible note due to
    parent company. The carrying amounts of the Company's cash and cash
    equivalents, accounts receivable, accounts payable, and due to affiliated
    companies approximate fair value due to their short-term nature. The fair
    value of the Company's 4.2% subordinated convertible note (Note 9),
    determined based on quoted market prices, was $13,740,000 at September
    28, 1996, and exceeds the carrying amount due to the market price of the
    Company's common stock exceeding the conversion price of the convertible
    note at year end.






















                                      F-23
PAGE
<PAGE>









        No dealer, salesman or  any other person has been authorized to  give
    any information  or to  make  any representation  not contained  in  this
    Prospectus and, if  given or  made, such  information  or representations
    must not be relied upon as having  been authorized by the Company.   This
    Prospectus does not constitute an offer to sell any securities other than
    those to which it relates  or an offer to sell,  or a solicitation  of an
    offer to buy, to any  person in any jurisdiction  where such an offer  or
    solicitation would be unlawful.  Neither the delivery of this  Prospectus
    nor any sale made  hereunder shall, under  any circumstances, create  any
    implication that the information  contained herein is  correct as of  any
    date subsequent to the date hereof.





                                  300,000 shares

                                       TREX
                               Medical Corporation

                                   Common Stock












                              _____________________

                                 January 10, 1997

                                    PROSPECTUS

                              ---------------------



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