THERMO VOLTEK CORP
10-K, 1997-03-14
INSTRUMENTS FOR MEAS & TESTING OF ELECTRICITY & ELEC SIGNALS
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                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549
                   -------------------------------------------
                                    FORM 10-K

   (mark one)
   [ X ] Annual Report Pursuant to Section 13 or 15(d) of the Securities
         Exchange Act of 1934 for the fiscal year ended December 28, 1996

   [   ] Transition Report Pursuant to Section 13 or 15(d) of the Securities
         Exchange Act of 1934

                         Commission file number 1-10574

                               THERMO VOLTEK CORP.

             (Exact name of Registrant as specified in its charter)

   Delaware                                                        13-1946800
   (State or other jurisdiction of                           (I.R.S. Employer
   incorporation or organization)                         Identification No.)

   470 Wildwood Street, P.O. Box 2878
   Woburn, Massachusetts                                           01888-1578
   (Address of principal executive offices)                        (Zip Code)
       Registrant's telephone number, including area code: (617) 622-1000

           Securities registered pursuant to Section 12(b) of the Act:

          Title of each class        Name of each exchange on which registered
     ----------------------------    -----------------------------------------
     Common Stock, $.05 par value             American Stock Exchange

           Securities registered pursuant to Section 12(g) of the Act:
                                      None

   Indicate by check mark whether the Registrant (1) has filed all reports
   required to be filed by Section 13 or 15(d) of the Securities Exchange Act
   of 1934 during the preceding 12 months, and (2) has been subject to the
   filing requirements for at least the past 90 days. Yes [ X ]  No [   ]

   Indicate by check mark if disclosure of delinquent filers pursuant to Item
   405 of Regulation S-K is not contained herein, and will not be contained,
   to the best of the Registrant's knowledge, in definitive proxy or
   information statements incorporated by reference into Part III of this Form
   10-K or any amendment to this Form 10-K. [   ]

   The aggregate market value of the voting stock held by nonaffiliates of the
   Registrant as of January 24, 1997, was approximately $56,019,000.

   As of January 24, 1997, the Registrant had 9,759,238 shares of Common Stock
   outstanding.
                       DOCUMENTS INCORPORATED BY REFERENCE

   Portions of the Registrant's Annual Report to Shareholders for the year
   ended December 28, 1996, are incorporated by reference into Parts I and II.

   Portions of the Registrant's definitive Proxy Statement for the Annual
   Meeting of Shareholders to be held on June 2, 1997, are incorporated by
   reference into Part III.
PAGE
<PAGE>
                                     PART I

    Item 1. Business

    (a) General Development of Business

        Thermo Voltek Corp. (the Company or the Registrant) designs,
    manufactures, and markets electromagnetic compatibility (EMC) testing
    instruments, high-voltage power-conversion systems, and programmable
    power amplifiers. The Company's EMC testing instruments simulate pulsed
    electromagnetic interference (pulsed EMI), radio frequency interference
    (RFI), and changes in AC voltage, to allow manufacturers of electronic
    systems and integrated circuits to test for resistance to those
    conditions. The Company's high-voltage power-conversion systems transform
    utility-supplied AC power into the DC voltages and currents required by
    the user. The Company's programmable power amplifiers have applications
    in EMC testing and other areas. The Company also provides EMC consulting
    and systems-integration services and distributes EMC-related products.

        The Company was originally incorporated in 1960 under the name
    Universal Voltronics Corp. Thermedics Inc. (Thermedics), a publicly
    traded subsidiary of Thermo Electron Corporation (Thermo Electron),
    acquired a controlling interest in the Company's common stock in March
    1990. In November 1992, the Company's name was changed to Thermo Voltek
    Corp. As of December 28, 1996, Thermedics owned 4,971,333 shares of the
    Company's common stock, representing 51% of such stock outstanding. In
    addition to the Company's products, Thermedics develops, manufactures,
    and markets product quality assurance systems, precision-weighing and
    inspection equipment, electrochemistry and microweighing products,
    explosives-detection devices, and moisture-analysis systems, as well as
    implantable heart-assist systems and other biomedical products. As of
    December 28, 1996, Thermo Electron owned 51,700 shares of the Company's
    common stock, representing 0.53% of such stock outstanding. These shares
    were purchased during 1996* in the open market for a total purchase price
    of $569,000. Thermo Electron is a world leader in environmental
    monitoring and analysis instruments, biomedical products such as
    heart-assist devices and mammography systems, papermaking and
    paper-recycling equipment, biomass electric power generation, and other
    specialized products and technologies. Thermo Electron also provides a
    range of services related to environmental quality.

        Thermedics intends, for the foreseeable future, to maintain at least
    50% ownership of the Company. This may require the purchase by Thermedics
    of additional shares (or convertible debentures that are then converted)
    of the Company from time to time as the number of outstanding shares of
    the Company increases. These or any other purchases by Thermedics may be
    made either in the open market or directly from the Company or Thermo
    Electron or pursuant to conversions of the subordinated convertible
    debentures issued by the Company to Thermedics. During 1996, Thermedics
    purchased 291,450 shares of the Company's common stock in the open market
    for a total purchase price of $4,169,000. See Notes 4 and 8 to
    Consolidated Financial Statements in the Company's 1996 Annual Report to
    Shareholders for a description of outstanding stock options and
    convertible obligations issued by the Company.

    * References to 1996, 1995, and 1994 herein are for the fiscal years
      ended December 28, 1996, December 30, 1995, and December 31, 1994,
      respectively.
                                        2PAGE
<PAGE>
    Forward-looking Statements

        Forward-looking statements, within the meaning of Section 21E of the
    Securities Exchange Act of 1934, are made throughout this Annual Report
    on Form 10-K. For this purpose, any statements contained herein that are
    not statements of historical fact may be deemed to be forward-looking
    statements. Without limiting the foregoing, the words "believes,"
    "anticipates," "plans," "expects," "seeks," "estimates," and similar
    expressions are intended to identify forward-looking statements. There
    are a number of important factors that could cause the results of the
    Company to differ materially from those indicated by such forward-looking
    statements, including those detailed under the caption "Forward-looking
    Statements" in the Registrant's 1996 Annual Report to Shareholders
    incorporated herein by reference.

    (b) Information About Industry Segments

        The Company conducts business in one industry segment.

    (c) Description of Business

    Electronic Test Instruments and Services

        The Company designs, manufactures, and markets electromagnetic
    compatibility (EMC) testing instruments and programmable power
    amplifiers. The Company's EMC testing instruments simulate pulsed
    electromagnetic interference (pulsed EMI), radio frequency interference
    (RFI), and changes in AC voltage, to allow manufacturers of electronic
    systems and integrated circuits to test for resistance to those
    conditions. The Company's programmable power amplifiers have applications
    in EMC testing and other areas. The Company also provides EMC consulting
    and systems-integration services and distributes EMC-related products.
    The market for EMC-testing equipment has developed due to the
    proliferation of digital electronics. Manufacturers of electronic systems
    and integrated circuits must engineer their products for immunity to
    pulsed EMI. The Company's products are used by these customers primarily
    for product development, design verification, and quality assurance,
    enabling them to meet higher levels of product performance, reliability,
    and safety, and to meet regulatory requirements, including a European
    Union (EU) directive that took effect on January 1, 1996, and industry
    standards.

        The Company's EMC testing equipment falls into two main categories:
    (1) equipment to test completed electronic products and (2) equipment to
    test individual electronic components such as integrated circuits. The
    Company also manufactures power amplifiers and power-conversion systems
    for use in telecommunications equipment, and products that test for
    immunity to certain types of power quality failure. In addition, the
    Company offers EMC-consulting and systems-integration services and
    distributes a broad range of EMC-related products.

                                        3PAGE
<PAGE>
        Product Testing Equipment. In 1992, the Company's KeyTek Instrument
    (KeyTek) division introduced its ECAT(R) system, which integrates
    comprehensive pulsed EMI and power quality failure simulation and testing
    with built-in diagnostic capabilities. KeyTek also offers a range of
    lower-cost instruments designed to test completed products for a
    particular type of pulsed EMI. In 1994, the Company's Comtest Europe B.V.
    (Comtest) subsidiary, acquired in 1993, introduced its first commercial
    product. Called the G-Strip, this product, a radio frequency interference
    (RFI) immunity tester, analyzes how effectively electronics resist the
    effects of radio frequency emitted by other electronic devices.

        Component Testing Equipment. Both the Verifier division of Comtest
    and KeyTek manufacture a range of products that utilize its electrostatic
    discharge (ESD) simulation technology to test integrated circuits and
    printed circuit boards for pulsed EMI immunity during product
    development, design verification, and quality assurance.

        Power Amplifiers. On March 1, 1995, the Company acquired the assets
    of Kalmus Engineering Incorporated, a manufacturer of RF power amplifiers
    used to test products for immunity to conducted and radiated RFI. RF
    power amplifiers also are used in a variety of laboratory and test
    applications where precise control over power level and frequency are
    required; in medical imaging applications; and in wireless communications
    applications, broadcasting, and mobile data communications. On July 8,
    1996, the Company acquired Pacific Power Source Corporation, a
    manufacturer of programmable power amplifiers that can be incorporated
    into EMC test equipment to assess how well electronics tolerate normal
    variations in the quality and quantity of AC voltage. These amplifiers
    are also used in other kinds of testing equipment and in
    application-specific power supplies.

        EMC Services. Through Comtest, the Company distributes EMC-testing
    products for pulsed EMI and RFI immunity and emissions testing; provides
    a wide range of testing, consulting, training, and systems-integration
    services; and designs EMC test facilities. The Company also provides
    on-site management and service, and maintains testing and training
    facilities, at Comtest's Netherlands headquarters.

        Telecommunications Power Supplies. Comtest manufactures specialized
    power supplies that are used in telecommunications equipment to maintain
    consistent power quality. These systems are of critical importance in
    areas of the world where utility-supplied power cannot be relied upon to
    maintain adequate power quality to operate telecommunications equipment.

        Revenues from electronic test instruments and services were
    $44,081,000, $31,580,000, and $19,009,000, in 1996, 1995, and 1994,
    respectively.

                                        4PAGE
<PAGE>
    High-voltage Systems

        Through its Universal Voltronics division, the Company designs,
    manufactures, and markets high-voltage power-conversion systems,
    modulators, and related high-voltage equipment for industrial, medical,
    and security processes, and defense and scientific research applications.
    These systems transform utility-supplied AC power into the DC voltages
    and currents required by the user and allow precise control over the
    performance level desired for each application.

        Revenues from high-voltage systems were $4,426,000, $4,746,000, and
    $4,632,000, in 1996, 1995, and 1994, respectively.

    Raw Materials

        A number of the components of the Company's EMC-testing products are
    supplied by sole-source vendors. While the Company has not experienced
    significant difficulty in obtaining adequate supplies from these vendors,
    and believes that it would be able to identify alternate suppliers if
    necessary, there can be no assurance that the unanticipated loss of a
    single vendor would not result in delays in shipments or in the
    introduction of new products.

    Backlog

        The Company's backlog of firm orders is measured by the amount of
    unshipped orders and, with respect to long-term contracts, the amount of
    the contract reduced by the revenue that has been recognized to date on a
    percentage-of-completion basis. The Company's backlog was $10.3 million
    and $13.0 million as of December 28, 1996, and December 30, 1995,
    respectively. The Company believes that substantially all of the backlog
    at December 28, 1996, will be shipped or completed during the next 12
    months.

    Competition
        The Company is a leading supplier of pulsed EMI testing equipment.
    There are numerous companies worldwide that independently manufacture and
    market pulsed EMI test equipment for electronic products, and several
    more that independently manufacture and market component-reliability test
    equipment. The Company competes in this market primarily on the basis of
    performance, technical expertise, reputation, and price.

        In the market for RF power amplifiers and programmable power
    amplifiers, the Company competes with several companies worldwide based
    primarily on technical expertise, reputation, and price.

        In the market for high-voltage power supply systems of the general
    type manufactured and marketed by the Company, the Company competes with
    numerous companies for both contract and commercial sales primarily on
    the basis of technical expertise, product performance, reputation, and
    price.

                                        5PAGE
<PAGE>
        Substantially all of the Company's contract and commercial revenues
    are subject to intense competitive bidding. Some of the Company's
    competitors have substantially greater financial resources than those of
    the Company.

    Research and Development

        Research and development expenses for the Company were $3,618,000,
    $2,349,000, and $1,492,000 in 1996, 1995, and 1994, respectively.

    Environmental Protection Regulations

        The Company believes that compliance by the Company with federal,
    state, and local environmental protection regulations will not have a
    material adverse effect on its capital expenditures, earnings, or
    competitive position.

    Number of Employees

        As of December 28, 1996, the Company employed 299 people. Except for
    10 employees at Universal Voltronics, none of the Company's employees is
    represented by a union. The Company believes that relations with its
    employees are good.

    (d) Financial Information About Exports by Domestic Operations and
        About Foreign Operations

        Financial information about exports by domestic operations and about
    foreign operations is summarized in Note 11 to Consolidated Financial
    Statements in the Registrant's 1996 Annual Report to Shareholders and is
    incorporated herein by reference.

    (e) Executive Officers of the Registrant

                                       Present Title (Year First Became
    Name                        Age    Executive Officer)
    ------------------------    ---    ------------------------------------
    John W. Wood Jr.            53     Chairman of the Board and Chief
                                         Executive Officer (1990)
    Colin I.W. Baxter           65     President and Chief Operating
                                         Officer (1997)
    Michael D. Norton           44     Vice President (1992)
    Dominick R. Congiusti       68     Vice President (1994)
    John N. Hatsopoulos         62     Chief Financial Officer (1990)
    Paul F. Kelleher            54     Chief Accounting Officer (1990)
        Each executive officer serves until his successor is chosen or
    appointed by the Board of Directors and qualified or until his earlier
    resignation, death, or removal. Messrs. Wood, Hatsopoulos, and Kelleher
    have held comparable positions for at least five years either with the
    Company, Thermedics, or Thermo Electron. Mr. Baxter has been President
    and Chief Operating Officer of the Company since January 1997. Mr. Baxter
    has been President of the Company's Kalmus division since May 1995, and
    from July 1996 to January 1997 was President of the Company's Pacific 

                                        6PAGE
<PAGE>
    Power division. Prior to joining the Company, Mr. Baxter was President
    and Chief Executive Officer of Dranetz Technologies, Inc., a designer and
    manufacturer of electronic instruments for measuring and monitoring
    electrical power quality, demand, and sequence of events recorders. Mr.
    Norton has been a Vice President of the Company since December 1992, and
    has held various positions at KeyTek since 1987, most recently serving as
    President from January 1993 to January 1997. Mr. Congiusti has been a
    Vice President of the Company since December 1994. He has been President
    of Universal Voltronics since December 1993, was Vice President of
    Operations of Universal Voltronics from 1992 to 1993, and Director of
    Manufacturing of Universal Voltronics from 1991 to 1992. Mr. Wood is a
    Senior Vice President of Thermo Electron and the President and Chief
    Executive Officer of Thermedics but devotes such portion of his time to
    the affairs of the Company as the Company's needs reasonably require.
    Messrs. Hatsopoulos and Kelleher are full-time employees of Thermo
    Electron but devote such time to the affairs of the Company as the
    Company's needs reasonably require.


    Item 2. Properties

        The Company owns approximately 45,000 square feet of office,
    engineering, laboratory, and production space in Mount Kisco, New York,
    and leases approximately 100,000 square feet of office, engineering,
    laboratory, and production space under leases expiring from 1997 to 2003,
    principally in Massachusetts, Washington, California, The Netherlands,
    and the United Kingdom. The Company believes that these facilities are in
    good condition and are suitable and adequate for its present operations,
    and that suitable space is readily available if any of such leases are
    not extended.


    Item 3. Legal Proceedings

        Not applicable.


    Item 4. Submission of Matters to a Vote of Security Holders

        Not applicable.









                                        7PAGE
<PAGE>
                                     PART II

    Item 5. Market for Registrant's Common Equity and Related Stockholder
            Matters

        Information concerning the market and market price for the
    Registrant's common stock, $.05 par value, and dividend policy is
    included under the sections labeled "Common Stock Market Information" and
    "Dividend Policy" in the Registrant's 1996 Annual Report to Shareholders
    and is incorporated herein by reference.


    Item 6. Selected Financial Data

        The information required under this item is included under the
    sections labeled "Selected Financial Information" and "Dividend Policy"
    in the Registrant's 1996 Annual Report to Shareholders and is
    incorporated herein by reference.


    Item 7. Management's Discussion and Analysis of Financial Condition and  
            Results of Operations

        The information required under this item is included under the
    heading "Management's Discussion and Analysis of Financial Condition and
    Results of Operations" in the Registrant's 1996 Annual Report to
    Shareholders and is incorporated herein by reference.


    Item 8. Financial Statements and Supplementary Data

        The Registrant's Consolidated Financial Statements as of December 28,
    1996, and Supplementary Data are included in the Registrant's 1996 Annual
    Report to Shareholders and are incorporated herein by reference.


    Item 9. Changes in and Disagreements with Accountants on Accounting and
            Financial Disclosure

        Not applicable.








                                        8PAGE
<PAGE>
                                    PART III

    Item 10. Directors and Executive Officers of the Registrant

        The information concerning directors required under this item is
    incorporated herein by reference from the material contained under the
    caption "Election of Directors" in the Registrant's definitive proxy
    statement to be filed with the Securities and Exchange Commission
    pursuant to Regulation 14A, not later than 120 days after the close of
    the fiscal year. The information concerning delinquent filers pursuant to
    Item 405 of Regulation S-K is incorporated herein by reference from the
    material contained under the heading "Section 16(a) Beneficial Ownership
    Reporting Compliance" under the caption "Stock Ownership" in the
    Registrant's definitive proxy statement to be filed with the Securities
    and Exchange Commission pursuant to Regulation 14A, not later than 120
    days after the close of the fiscal year.


    Item 11. Executive Compensation

        The information required under this item is incorporated herein by
    reference from the material contained under the caption "Executive
    Compensation" in the Registrant's definitive proxy statement to be filed
    with the Securities and Exchange Commission pursuant to Regulation 14A,
    not later than 120 days after the close of the fiscal year.


    Item 12. Security Ownership of Certain Beneficial Owners and Management

        The information required under this item is incorporated herein by
    reference from the material contained under the caption "Stock Ownership"
    in the Registrant's definitive proxy statement to be filed with the
    Securities and Exchange Commission pursuant to Regulation 14A, not later
    than 120 days after the close of the fiscal year.


    Item 13. Certain Relationships and Related Transactions

        The information required under this item is incorporated herein by
    reference from the material contained under the caption "Relationship
    with Affiliates" in the Registrant's definitive proxy statement to be
    filed with the Securities and Exchange Commission pursuant to Regulation
    14A, not later than 120 days after the close of the fiscal year.




                                        9PAGE
<PAGE>
                                     PART IV

    Item 14. Exhibits, Financial Statement Schedules, and Reports on Form 8-K

       (a,d) Financial Statements and Schedules

             (1) The consolidated financial statements set forth in the list
                 below are filed as part of this Report.

             (2) The consolidated financial statement schedule set forth in
                 the list below is filed as part of this Report.

             (3) Exhibits filed herewith or incorporated herein by reference
                 are set forth in Item 14(c) below.

             List of Financial Statements and Schedules Referenced in this
             Item 14

             Information incorporated by reference from Exhibit 13 filed
             herewith:

                 Consolidated Statement of Income
                 Consolidated Balance Sheet
                 Consolidated Statement of Cash Flows
                 Consolidated Statement of Shareholders' Equity
                 Notes to Consolidated Financial Statements
                 Report of Independent Public Accountants

             Financial Statement Schedules filed herewith:

                 Schedule II: Valuation and Qualifying Accounts

             All other schedules are omitted because they are not applicable
             or not required, or because the required information is shown
             either in the financial statements or in the notes thereto.

         (b)Reports on Form 8-K

            None.

         (c)Exhibits

            See Exhibit Index on the page immediately preceding exhibits.



                                       10PAGE
<PAGE>
                                   SIGNATURES

        Pursuant to the requirements of Section 13 or 15(d) of the Securities
    Exchange Act of 1934, the Registrant has duly caused this report to be
    signed on its behalf by the undersigned, thereunto duly authorized.

    Date: March 14, 1997                    THERMO VOLTEK CORP.



                                            By: John W. Wood Jr.
                                                -------------------
                                                John W. Wood Jr.
                                                Chief Executive Officer

        Pursuant to the requirements of the Securities Exchange Act of 1934,
    this report has been signed below by the following persons on behalf of
    the Registrant and in the capacities indicated below, as of March 14,
    1997.

    Signature                          Title
    ---------                          -----

    By: John W. Wood Jr.               Chairman of the Board, Chief Executive
        ---------------------
        John W. Wood Jr.                 Officer, and Director

    By: John N. Hatsopoulos            Vice President and Chief Financial
        ---------------------
        John N. Hatsopoulos              Officer

    By: Paul F. Kelleher               Chief Accounting Officer
        ---------------------
        Paul F. Kelleher

    By  Elias P. Gyftopoulos           Director
        ---------------------
        Elias P. Gyftopoulos

    By: William W. Hoover              Director
        ---------------------
        William W. Hoover

    By: Sandra L. Lambert              Director
        ---------------------
        Sandra L. Lambert

    By: Theo Melas-Kyriazi             Director
        ---------------------
        Theo Melas-Kyriazi

    By: Peter Richman                  Director
        ---------------------
        Peter Richman
                                       11PAGE
<PAGE>
                    Report of Independent Public Accountants


    To the Shareholders and Board of Directors of Thermo Voltek Corp.:

        We have audited, in accordance with generally accepted auditing
    standards, the consolidated financial statements included in Thermo
    Voltek Corp.'s Annual Report to Shareholders incorporated by reference in
    this Form 10-K, and have issued our report thereon dated February 6,
    1997. Our audits were made for the purpose of forming an opinion on those
    statements taken as a whole. The schedule listed in Item 14 on page 10 is
    the responsibility of the Company's management and is presented for
    purposes of complying with the Securities and Exchange Commission's rules
    and is not part of the basic consolidated financial statements. This
    schedule has been subjected to the auditing procedures applied in the
    audits of the basic consolidated financial statements and, in our
    opinion, fairly states in all material respects the consolidated
    financial data required to be set forth therein in relation to the basic
    consolidated financial statements taken as a whole.



                                            Arthur Andersen LLP



    Boston, Massachusetts
    February 6, 1997








                                       12PAGE
<PAGE>
   SCHEDULE II

                               THERMO VOLTEK CORP.

                        Valuation and Qualifying Accounts
                                 (In thousands)


                            Balance Provision                         Balance
                                 at   Charged  Accounts                    at
                          Beginning        to   Written                End of
   Description              of Year   Expense       Off   Other (a)      Year
   --------------------------------------------------------------------------
   Year Ended
     December 28, 1996

       Allowance for
         Doubtful Accounts     $446      $103      $(11)      $49        $587

   Year Ended
     December 30, 1995

       Allowance for
         Doubtful Accounts     $343      $135      $(51)      $ 19       $446

   Year Ended
     December 31, 1994

       Allowance for
         Doubtful Accounts     $354      $101      $(147)     $ 35       $343

   (a) Allowances of businesses acquired during the year as described in Note
       3 to Consolidated Financial Statements in the Registrant's 1996 Annual
       Report to Shareholders and the effect of foreign currency translation.







                                       13PAGE
<PAGE>
                                  EXHIBIT INDEX

    Exhibit
    Number       Description of Exhibit
    ------------------------------------------------------------------------

      2.1        Asset Purchase Agreement dated March 1, 1995, among KeyTek
                 Instrument Division of Thermo Voltek Corp., Kalmus
                 Engineering Incorporated, RF Power Labs, Incorporated, and
                 Frank Kalmus (filed as Exhibit 2.4 to the Registrant's
                 Annual Report on Form 10-K for the year ended December 31,
                 1994 [File No. 1-10574] and incorporated herein by
                 reference). Pursuant to Item 601(b)(2) of Regulation S-K,
                 schedules to this Agreement have been omitted. The Company
                 hereby undertakes to furnish supplementally a copy of such
                 schedules to the Commission upon request.

      2.2        Asset Purchase Agreement dated as of July 3, 1996,
                 between the Registrant and Pacific Power Source
                 Corporation (filed as Exhibit 2.1 to the Registrant's
                 Quarterly Report on Form 10-Q for the quarter ended
                 June 29, 1996 [File No. 1-10574] and incorporated
                 herein by reference). Pursuant to Item 601(b)(2) of
                 Regulation S-K, schedules to this Agreement have been
                 omitted. The Company hereby undertakes to furnish
                 supplementally a copy of such schedules to the
                 Commission upon request.

      3.1        Restated Certificate of Incorporation of the
                 Registrant, as amended (filed as Exhibit 3.1 to the
                 Registrant's Annual Report on Form 10-K for the year
                 ended January 2, 1993 [File No. 1-10574] and
                 incorporated herein by reference).

      3.2        Composite Restatement of By-Laws, as amended (filed as
                 Exhibit 3.2 to the Registrant's Transition Report on
                 Form 10-K for the six months ended December 29, 1990
                 [File No. 1-10574] and incorporated herein by
                 reference).

      4.1        Agreement between the Registrant and Thermedics dated
                 June 5, 1992, for Purchase of Note (filed as Exhibit 4
                 to the Registrant's Current Report on Form 8-K dated
                 June 5, 1992 [File No. 1-10574] and incorporated
                 herein by reference).

      4.2        Fiscal Agency Agreement dated as of November 19, 1993,
                 among the Registrant, Thermo Electron, and Chemical
                 Bank (filed as Exhibit 4.3 to the Registrant's Annual
                 Report on Form 10-K for the fiscal year ended January
                 1, 1994 [File No. 1-10574] and incorporated herein by
                 reference).


                                       14PAGE
<PAGE>
                                  EXHIBIT INDEX

    Exhibit
    Number       Description of Exhibit
    ------------------------------------------------------------------------

      4.3        Guarantee Reimbursement Agreement dated February 7, 1994,
                 among the Registrant, Thermedics, Thermo Cardiosystems
                 Inc., and Thermo Electron (filed as Exhibit 4.4 to
                 Thermedics' Annual Report on Form 10-K for the fiscal year
                 ended January 1, 1994 [File No. 1-9567] and incorporated
                 herein by reference).

     10.1        Amended and Restated Corporate Services Agreement dated
                 January 3, 1993, between Thermo Electron and the Registrant
                 (filed as Exhibit 10.3 to the Registrant's Annual Report on
                 Form 10-K for the year ended January 2, 1993 [File No.
                 1-10574] and incorporated herein by reference).

     10.2        Form of Indemnification Agreement for Directors and
                 Officers of the Registrant (filed as Exhibit 10.13 to the
                 Registrant's Transition Report on Form 10-K for the six
                 months ended December 29, 1990 [File No. 1-10574] and
                 incorporated herein by reference).

     10.3        Thermo Electron Corporate Charter as amended and restated
                 effective January 3, 1993 (filed as Exhibit 10.5 to the
                 Registrant's Annual Report on Form 10-K for the year ended
                 January 2, 1993 [File No. 1-10574] and incorporated herein
                 by reference).

     10.4        Consulting Agreement between the Registrant and Peter
                 Richman, as of August 5, 1993 (filed as Exhibit 10.25 to
                 the Registrant's Quarterly Report on Form 10-Q for the
                 quarter ended July 3, 1993 [File No. 1-10574] and
                 incorporated herein by reference).

     10.5        Lease Agreement dated August 2, 1993, between Comtest
                 Invest B.V. and Comtest Instrumentation B.V. (filed as
                 Exhibit 10.6 to the Registrant's Annual Report on Form 10-K
                 for the fiscal year ended January 1, 1994 [File No.
                 1-10574] and incorporated herein by reference).

     10.6        Note dated July 2, 1993, from the Registrant to Thermo
                 Electron Corporation (filed as Exhibit 10.7 to the
                 Registrant's Annual Report on Form 10-K for the fiscal year
                 ended January 1, 1994 [File No. 1-10574] and incorporated
                 herein by reference).

     10.7        Amended and Restated Master Repurchase Agreement dated as
                 of July 2, 1996, between the Registrant and Thermo
                 Electron.

    10.8 - 10.18 Reserved.


                                       15PAGE
<PAGE>
                                  EXHIBIT INDEX

    Exhibit
    Number       Description of Exhibit
    ------------------------------------------------------------------------

     10.19       1985 Stock Option Plan of the Registrant (filed as Exhibit
                 10.14 to the Registrant's Annual Report on Form 10-K for
                 the fiscal year ended June 30, 1985 [File No. 0-8245] and
                 incorporated herein by reference). (Maximum number of
                 shares issuable is 300,000 shares, after adjustment to
                 reflect 1-for-3 reverse stock split effected in November
                 1992 and 3-for-2 stock splits effected in November 1993 and
                 August 1996.)

     10.20       1990 Stock Option Plan, as amended, of the Registrant
                 (filed as Exhibit 10.2 to the Registrant's Quarterly Report
                 on Form 10-Q for the quarter ended July 2, 1994 [File No.
                 1-10574] and incorporated herein by reference). (Maximum
                 number of shares issuable is 600,000 shares, after
                 adjustment to reflect share increases in 1993 and 1994,
                 1-for-3 reverse stock split effected in November 1992, and
                 3-for-2 stock splits effected in November 1993 and August
                 1996.)

     10.21       Equity Incentive Plan of the Registrant (filed as Exhibit
                 10.49 to the Registrant's Annual Report on Form 10-K for
                 the year ended December 31, 1994 [File No. 1-11406] and
                 incorporated herein by reference).

                 In addition to the stock-based compensation plans of the
                 Registrant, the executive officers of the Registrant may be
                 granted awards under stock-based compensation plans of
                 Thermo Electron and Thermedics for services rendered to the
                 Registrant or such affiliated corporations. Thermo
                 Electron's plans were filed as Exhibits 10.21 through 10.44
                 to the Annual Report on Form 10-K of Thermo Electron for
                 the fiscal year ended December 30, 1995, [File No. 1-8002]
                 and as Exhibit 10.19 to the Annual Report on Form 10-K of
                 Trex Medical Corporation for the fiscal year ended
                 September 28, 1996 [File No. 1-11827], and Thermedics'
                 plans were filed as Exhibits 10.18 through 10.22 to the
                 Annual Report on Form 10-K of Thermedics for the fiscal
                 year ended December 28, 1996 [File No. 1-9567], and are
                 incorporated herein by reference.

     10.22       Deferred Compensation Plan for Directors of the Registrant
                 (filed as Exhibit 10.23 to the Registrant's Quarterly
                 Report on Form 10-Q for the quarter ended July 3, 1993
                 [File No. 1-10574] and incorporated herein by reference).

     10.23       Directors' Stock Option Plan of the Registrant (filed as
                 Exhibit 10.23 to the Registrant's Annual Report on Form
                 10-K for the year ended December 31, 1994 [File No.
                 1-11406] and incorporated herein by reference). 


                                       16PAGE
<PAGE>
                                  EXHIBIT INDEX

    Exhibit
    Number       Description of Exhibit
    ------------------------------------------------------------------------

     10.24       Restated Stock Holdings Assistance Plan and Form of
                 Promissory Note.

     11          Statement re: Computation of Earnings per Share.

     13          Annual Report to Shareholders for the year ended December
                 28, 1996 (only those portions incorporated herein by
                 reference).

     21          Subsidiaries of the Registrant.

     23          Consent of Arthur Andersen LLP.

     27          Financial Data Schedule.
   


                                                           Exhibit 10.7
                AMENDED AND RESTATED MASTER REPURCHASE AGREEMENT

             The Master Repurchase Agreement dated as of July 2, 1996
        between Thermo Electron Corporation, a Delaware corporation
        ("Seller"), and Thermo Voltek Corp., a Delaware corporation (the
        "Buyer"), is hereby amended and restated in its entirety as
        follows on and as of December 28, 1996.

        1.   Applicability

             From time to time Buyer and Seller may enter into
        transactions in which Seller agrees to transfer to Buyer certain
        securities and/or financial instruments ("Securities") against
        the transfer of funds by Buyer, with a simultaneous agreement by
        Buyer to transfer to Seller such Securities on demand, against
        the transfer of funds by Seller.  Each such transaction shall be
        referred to herein as a "Transaction" and shall be governed by
        this Agreement, unless otherwise agreed in writing.

        2.   Definitions

             (a)   "Act of Insolvency", with respect to either party (i)
        the commencement by such party as debtor of any case or
        proceeding under any bankruptcy, insolvency, reorganization,
        liquidation, dissolution or similar law, or such party seeking
        the appointment of a receiver, trustee, custodian or similar
        official for such party or any substantial part of its property;
        or (ii) the commencement of any such case or proceeding against
        such party, or another seeking such an appointment, which (A) is
        consented to or not timely contested by such party, (B) results
        in the entry of an order for relief, such an appointment or the
        entry of an order having a similar effect, or (C) is not
        dismissed within 15 days; or (iii) the making by a party of a
        general assignment for the benefit of creditors; or (iv) the
        admission in writing by a party of such party's inability to pay
        such party's debts as they become due; 

             (b)  "Additional Purchased Securities", Securities provided
        by Seller to Buyer pursuant to Paragraph 4(a) hereof; 

             (c)  "Income", with respect to any Security at any time, any
        principal thereof then payable and all interest, dividends or
        other distributions thereon; 

             (d)  "Market Value", with respect to any Securities as of
        any date, the price for such Securities on such date obtained
        from a generally recognized source agreed to by the parties or
        the most recent closing bid quotation from such a source, plus
        accrued Income to the extent not included therein (other than any
        Income transferred to Seller pursuant to Paragraph 6 hereof) as
        of such date (unless contrary to market practice for such
        Securities);
PAGE
<PAGE>
             (e)  "Other Buyers", third parties that have entered into an
        agreement with Seller that is substantially similar to this
        Agreement; 

             (f)  "Pricing Rate", a rate equal to the Commercial Paper
        Composite rate for 90-day maturities provided by Merrill Lynch,
        Pierce, Fenner & Smith Incorporated (or, if such rate is not
        available, a substantially equivalent rate agreed to by Buyer and
        Seller) plus 25 basis points, which rate shall be adjusted on the
        first business day of each fiscal quarter and shall be in effect
        for the entirety such fiscal quarter;
         
             (g)  "Purchase Price", the price at which Purchased
        Securities are transferred by Seller to Buyer; 

             (h)  "Purchased Securities", the Securities transferred by
        Seller to Buyer in a Transaction hereunder, and any Securities
        substituted therefor in accordance with Paragraph 9 hereof.  The
        term "Purchased Securities" with respect to any Transaction at
        any time also shall include Additional Purchase Securities
        transferred pursuant to Paragraph 4(a) and shall exclude
        Securities returned pursuant to Paragraph 4(b);  

             (i)  "Repurchase Collateral Account", a book account
        maintained by Seller containing, among other Securities, the
        Purchased Securities; and

             (j)  "Repurchase Price", for any Purchased Security, an
        amount equal to the Purchase Price paid by Buyer to Seller for
        such Purchased Security. 

        3.   Transactions

             (a)  A Transaction may be initiated by Buyer upon the
        transfer of the Purchase Price to Seller's account.  Upon such
        transfer, Seller shall transfer to Buyer Purchased Securities
        having a Market Value equal to 103% of the Purchase Price.

             (b)  Purchased Securities shall be held in custody for Buyer
        by Seller in the Repurchase Collateral Account.  Seller shall
        indicate on its books for such account Buyer's ownership of the
        Purchased Securities.  Upon reasonable request from Buyer, Seller
        shall provide Buyer with a complete list of Purchased Securities
        owned by Buyer.  

             (c)  Upon demand by Buyer or Seller, Seller shall repurchase
        from Buyer, and Buyer shall sell to Seller, for the Repurchase
        Price all or any part of the Purchased Securities then owned by
        Buyer.

        4.   Margin Maintenance

             (a)  If at any time the aggregate Market Value of all
        Purchased Securities then owned by Buyer is less than 103% of the

                                        2PAGE
<PAGE>
        aggregate Repurchase Price for such Purchased Securities, then
        Seller shall transfer to Buyer additional Securities ("Additional
        Purchased Securities"), so that the aggregate Market Value of
        such Purchased Securities, including any such Additional
        Purchased Securities, will thereupon equal or exceed 103% of such
        aggregate Repurchase Price.

             (b)  If at any time the aggregate Market Value of all
        Purchased Securities then owned by Buyer exceeds 103% of the
        aggregate Repurchase Price for such Purchased Securities, then
        Seller may transfer Purchased Securities to Seller, so that the
        aggregate Market Value of such Purchased Securities will
        thereupon not exceed 103% of such aggregate Repurchase Price.

        5.   Interest Payments

             If during any fiscal month Buyer owned Purchased Securities,
        then on the first day of the next following fiscal month Seller
        shall pay to Buyer an amount equal to the sum of the aggregate
        Repurchase Prices of the Purchased Securities owned by Buyer at
        the close of each day during the preceding fiscal month divided
        by the number of days in such month and the product multiplied by
        the Pricing Rate times the number of days in such month divided
        by 360.

        6.   Income Payments and Voting Rights

             Where a particular Transaction's term extends over an Income
        payment date on the Purchased Securities subject to that
        Transaction, Buyer shall, on the date such Income is payable,
        transfer to Seller an amount equal to such Income payment or
        payments with respect to any Purchased Securities subject to such
        Transaction.  Seller shall retain all voting rights with respect
        to Purchased Securities sold to Buyer under this Agreement.

        7.   Security Interest

             Although the parties intend that all Transactions hereunder
        be sales and purchases and not loans, in the event any such
        Transactions are deemed to be loans, Seller shall be deemed to
        have pledged to Buyer as security for the performance by Seller
        of its obligations under each such Transaction and this
        Agreement, and shall be deemed to have granted to Buyer a
        security interest in, all of the Purchased Securities with
        respect to all Transactions hereunder and all proceeds thereof.

        8.   Payment and Transfer

             Unless otherwise mutually agreed, all transfers of funds
        hereunder shall be in immediately available funds.  As used
        herein with respect to Securities, "transfer" is intended to have

                                        3PAGE
<PAGE>
        the same meaning as when used in Section 8-313 of the
        Massachusetts Uniform Commercial Code or, where applicable, in
        any federal regulation governing transfers of the Securities.

        9.   Substitution

             Buyer hereby grants Seller the authority to manage, in
        Seller's sole discretion, the Purchased Securities held in
        custody for Buyer by Seller in the Repurchase Collateral Account.
        Buyer expressly agrees that Seller may (i) substitute other
        Securities for any Purchased Securities and (ii) commingle
        Purchased Securities with other Securities held in the Repurchase
        Collateral Account.  Substitutions shall be made by transfer to
        Buyer of such other Securities and transfer to Seller of the
        Purchased Securities for which substitution is being made.  After
        substitution, the substituted Securities shall be deemed to be
        Purchased Securities.  Securities which are substituted for
        Purchased Securities shall have a Market Value at the time of
        substitution equal to or greater than the Market Value of the
        Purchase Securities for which such Securities were substituted.

        10.  Representations

             Each of Buyer and Seller represents and warrants to the
        other that (i) it is duly authorized to execute and deliver this
        Agreement, to enter into the Transactions contemplated hereunder
        and to perform its obligations hereunder and has taken all
        necessary action to authorize such execution, delivery and
        performance, (ii) the person signing this Agreement on its behalf
        is duly authorized to do so on its behalf, (iii) it has obtained
        all authorizations of any governmental body required in
        connection with this Agreement and the Transactions hereunder and
        such authorizations are in full force and effect and (iv) the
        execution, delivery and performance of this Agreement and the
        Transactions hereunder will not violate any law, ordinance,
        charter, by-law or rule applicable to it or any agreement by
        which it is bound or by which any of its assets are affected.  On
        the date for any Transaction Buyer and Seller shall each be
        deemed to repeat all the foregoing representations made by it.

        11.  Events of Default

             In the event that (i) Seller fails to repurchase or Buyer
        fails to transfer Purchased Securities upon demand for repurchase
        from either Buyer or Seller, (ii) Seller or Buyer fails, after
        one business day's notice, to comply with Paragraph 4 hereof,
        (iii) Buyer fails to make payment to Seller pursuant to Paragraph
        6 hereof, (iv) Seller fails to comply with Paragraph 5 hereof,
        (v) an Act of Insolvency occurs with respect to Seller or Buyer,
        (vi) any representation made by Seller or Buyer shall have been
        incorrect or untrue in any material respect when made or repeated
        or deemed to have been made or repeated, or (vii) Seller or Buyer
        shall admit to the other its inability to, or its intention not

                                        4PAGE
<PAGE>
        to, perform any of its obligations hereunder (each an "Event of
        Default"):

             (a)  At the option of the nondefaulting party, exercised by
        written notice to the defaulting party (which option shall be
        deemed to have been exercised, even if no notice is given,
        immediately upon the occurrence of any Act of Insolvency), Seller
        shall become obligated to repurchase, and Buyer shall become
        obligated to sell, all Purchased Securities then owned by Buyer
        for the Repurchase Price of such Purchased Securities.

             (b)  If Seller is the defaulting party and Buyer exercises
        or is deemed to have exercised the option referred to in
        subparagraph (a) of this Paragraph, (i) the Seller's obligations
        hereunder to repurchase all Purchased Securities in such
        Transactions shall thereupon become immediately due and payable,
        (ii) all Income paid after such exercise or deemed exercise shall
        be retained by Buyer and applied to the aggregate unpaid
        Repurchase Prices owed by Seller, and (iii) Seller shall
        immediately deliver to Buyer any Purchased Securities subject to
        such Transactions then in Seller's possession.

             (c)  In all Transactions in which Buyer is the defaulting
        party, upon tender by Seller of payment of the aggregate
        Repurchase Prices for all such Transactions, Buyer's right, title
        and interest in all Purchased Securities subject to such
        Transactions shall be deemed transferred to Seller, and Buyer
        shall deliver all such Purchased Securities to Seller.

             (d)  After one business day's notice to the defaulting party
        (which notice need not be given if an Act of Insolvency shall
        have occurred, and which may be the notice given under
        subparagraph (a) of this Paragraph or the notice referred to in
        clause (ii) of the first sentence of this Paragraph), the
        nondefaulting party may: 

                  (i)  as to Transactions in which Seller is the
        defaulting party, (A) immediately sell, in a recognized market at
        such price or prices as Buyer may reasonably deem satisfactory,
        any or all Purchased Securities subject to such Transactions and
        apply the proceeds thereof to the aggregate unpaid Repurchase
        Prices and any other amounts owing by Seller hereunder or (B) in
        its sole discretion elect, in lieu of selling all or a portion of
        such Purchased Securities, to give Seller credit for such
        Purchased Securities in an amount equal to the price therefor on
        such date, obtained from a generally recognized source or the
        most recent closing bid quotation from such a source, against the
        aggregate unpaid Repurchase Prices and any other amounts owing by
        Seller hereunder; and

                  (ii)  as to Transactions in which Buyer is the
        defaulting party, (A) purchase securities ("Replacement
        Securities") of the same class and amount as any Purchased
        Securities that are not delivered by Buyer to Seller as required

                                        5PAGE
<PAGE>
        hereunder or (B) in its sole discretion elect, in lieu of
        purchasing Replacement Securities, to be deemed to have purchased
        Replacement Securities at the price therefor on such date,
        obtained from a generally recognized source or the most recent
        closing bid quotation from such a source.

             (e)  As to Transactions in which Buyer is the defaulting
        party, Buyer shall be liable to Seller (i) with respect to
        Purchased Securities (other than Additional Purchased
        Securities), for any excess of the price paid (or deemed paid) by
        Seller for Replacement Securities therefor over the Repurchase
        Price for such Purchased Securities and (ii) with respect to
        Additional Purchased Securities, for the price paid (or deemed
        paid) by Seller for the Replacement Securities therefor.  

             (g)  The defaulting party shall be liable to the
        nondefaulting party for the amount of all reasonable legal or
        other expenses incurred by the nondefaulting party in connection
        with or as a consequence of an Event of Default.

             (h)  The nondefaulting party shall have, in addition to its
        rights hereunder, any rights otherwise available to it under any
        other agreement or applicable law.

        12.  Single Agreement

             Buyer and Seller acknowledge that, and have entered hereinto
        and will enter into each Transaction hereunder in consideration
        of and in reliance upon the fact that, all Transactions hereunder
        constitute a single business and contractual relationship and
        have been made in consideration of each other.  Accordingly, each
        of Buyer and Seller agrees (i) to perform all of its obligations
        in respect of each Transaction hereunder, and that a default in
        the performance of any such obligations shall constitute a
        default by it in respect of all Transactions hereunder, (ii) that
        each of them shall be entitled to set off claims and apply
        property held by them in respect of any Transaction against
        obligations owing to them in respect of any other Transactions
        hereunder and (iii) that payments, deliveries and other transfers
        made by either of them in respect of any Transaction shall be
        deemed to have been made in consideration of payments, deliveries
        and other transfers in respect of any other Transactions
        hereunder, and the obligations to make any such payments,
        deliveries and other transfers may be applied against each other
        and netted.

        13.  Entire Agreement; Severability

             This Agreement shall supersede any existing agreements
        between the parties containing general terms and conditions for
        repurchase transactions.  Each provision and agreement and
        agreement herein shall be treated as separate and independent
        from any other provision or agreement herein and shall be

                                        6PAGE
<PAGE>
        enforceable notwithstanding the unenforceability of any such
        other provision or agreement.

        14.  Non-assignability; Termination

             The rights and obligations of the parties under this
        Agreement and under any Transactions shall not be assigned by
        either party without the prior written consent of the other
        party.  Subject to the foregoing, this Agreement and any
        Transactions shall be binding upon and shall inure to the benefit
        of the parties and their respective successors and assigns.  This
        Agreement may be canceled by either party upon giving written
        notice to the other, except that this Agreement shall,
        notwithstanding such notice, remain applicable to any
        Transactions then outstanding.

        15.  Governing Law

             This Agreement shall be governed by the laws of the
        Commonwealth of Massachusetts without giving effect to the
        conflict of law principles thereof.

        16.  No Waivers, Etc.

             No express or implied waiver of any Event of Default by
        either party shall constitute a waiver of any other Event of
        Default and no exercise of any remedy hereunder by any party
        shall constitute a wavier of its right to exercise any other
        remedy hereunder.  No modification or waiver of any provision of
        this Agreement and no consent by any party to a departure
        herefrom shall be effective unless and until such shall be in
        writing and duly executed by both of the parties hereto. 

        17.  Intent

             (a)  The parties recognize that each Transaction is a
        "repurchase agreement" as that term is defined in Section 101 of
        Title 11 of the United States Code, as amended (except insofar as
        the type of Securities subject to such Transaction or the term of
        such Transaction would render such definition inapplicable), and
        a "securities contract" as that term is defined in Section 741 of
        Title 11 of the United States Code, as amended.

             (b)  It is understood that either party's right to liquidate
        Securities delivered to it in connection with Transactions
        hereunder or to exercise any other remedies pursuant to Paragraph
        11 hereof, is a contractual right to liquidate such Transaction
        as described in Sections 555 and 559 of Title 11 of the United
        States Code, as amended.

                                        7PAGE
<PAGE>
             IN WITNESS WHEREOF, the parties have executed this Agreement
        as of December 28, 1996.


        THERMO ELECTRON CORPORATION        THERMO VOLTEK CORP.


        By:__________________________      By:__________________
        Name:     Jonathan W. Painter      Name:     John Wood

        Title:    Treasurer                Title:    Chief Executive
                                                     Officer  


                                                        Exhibit 10.24
                               THERMO VOLTEK CORP.

                     RESTATED STOCK HOLDING ASSISTANCE PLAN


        SECTION 1.   Purpose.

             The purpose of this Plan is to benefit Thermo Voltek Corp.
        (the "Company") and its stockholders by encouraging Key Employees
        to acquire and maintain share ownership in the Company, by
        increasing such employees' proprietary interest in promoting the
        growth and performance of the Company and its subsidiaries and by
        providing for the implementation of the Stock Holding Policy.  

        SECTION 2.     Definitions.

             The following terms, when used in the Plan, shall have the
        meanings set forth below:

             Committee:   The Human Resources Committee of the Board of
        Directors of the Company as appointed from time to time.

             Common Stock:   The common stock of the Company and any
        successor thereto.

             Company:   Thermo Voltek Corp., a Delaware corporation.

             Stock Holding Policy:   The Stock Holding Policy of the
        Company, as adopted by the Committee and as in effect from time
        to time.

             Key Employee:   Any employee of the Company or any of its
        subsidiaries, including any officer or member of the Board of
        Directors who is also an employee, as designated by the
        Committee, and who, in the judgment of the Committee, will be in
        a position to contribute significantly to the attainment of the
        Company's strategic goals and long-term growth and prosperity.

             Loans:   Loans extended to Key Employees by the Company
        pursuant to this Plan.

             Plan:   The Thermo Voltek Corp. Stock Holding Assistance
        Plan, as amended from time to time.

        SECTION 3.     Administration.

             The Plan and the Stock Holding Policy shall be administered
        by the Committee, which shall have authority to interpret the
        Plan and the Stock Holding Policy and, subject to their
        provisions, to prescribe, amend and rescind any rules and
        regulations and to make all other determinations necessary or
        desirable for the administration thereof.  The Committee's
        interpretations and decisions with regard to the Plan and the
        Stock Holding Policy and such rules and regulations as may be
PAGE
<PAGE>
        established thereunder shall be final and conclusive.  The
        Committee may correct any defect or supply any omission or
        reconcile any inconsistency in the Plan or the Stock Holding
        Policy, or in any Loan in the manner and to the extent the
        Committee deems desirable to carry it into effect.  No member of
        the Committee shall be liable for any action or omission in
        connection with the Plan or the Stock Holding Policy that is made
        in good faith.

        SECTION 4.     Loans and Loan Limits.

             The Committee has determined that the provision of Loans
        from time to time to Key Employees in such amounts as to cause
        such Key Employees to comply with the Stock Holding Policy is, in
        the judgment of the Committee, reasonably expected to benefit the
        Company and authorizes the Company to extend Loans from time to
        time to Key Employees in such amounts as may be requested by such
        Key Employees in order to comply with the Stock Holding Policy.
        Such Loans may be used solely for the purpose of acquiring Common
        Stock (other than upon the exercise of stock options or under
        employee stock purchase plans) in open market transactions or
        from the Company.

             Each Loan shall be full recourse and evidenced by a
        non-interest bearing promissory note substantially in the form
        attached hereto as Exhibit A (the "Note") and maturing in
        accordance with the provisions of Section 6 hereof, and
        containing such other terms and conditions, which are not
        inconsistent with the provisions of the Plan and the Stock
        Holding Policy, as the Committee shall determine in its sole and
        absolute discretion.

        SECTION 5.     Federal Income Tax Treatment of Loans.

             For federal income tax purposes, interest on Loans shall be
        imputed on any interest free Loan extended under the Plan.  A Key
        Employee shall be deemed to have paid the imputed interest to the
        Company and the Company shall be deemed to have paid said imputed
        interest back to the Key Employee as additional compensation.
        The deemed interest payment shall be taxable to the Company as
        income, and may be deductible to the Key Employee to the extent
        allowable under the rules relating to investment interest.  The
        deemed compensation payment to the Key Employee shall be taxable
        to the employee and deductible to the Company, but shall also be
        subject to employment taxes such as FICA and FUTA.

        SECTION 6.     Maturity of Loans.

             Each Loan to a Key Employee hereunder shall be due and
        payable on demand by the Company.  If no such demand is made,
        then each Loan shall mature and the principal thereof shall
        become due and payable in five equal annual installments from the
        payment of annual cash incentive compensation (referred to as
        bonus) to the Key Employee by the Company, beginning with the

                                        2PAGE
<PAGE>
        first such bonus payment to occur after the date of the Note
        evidencing the Loan, and on each of the next four bonus payment
        dates, provided that the Committee may, in its sole and absolute
        discretion, authorize such other maturity and repayment schedule
        as the Committee may determine.  Each Loan shall also become
        immediately due and payable in full, without demand, upon  the
        occurrence of any of the events set forth in the Note; provided
        that the Committee may, in its sole and absolute discretion,
        authorize an extension of the time for repayment of a Loan upon
        such terms and conditions as the Committee may determine.

        SECTION 7.     Amendment and Termination of the Plan.

             The Committee may from time to time alter or amend the Plan
        or the Stock Holding Policy in any respect, or terminate the Plan
        or the Stock Holding Policy at any time.  No such amendment or
        termination, however, shall alter or otherwise affect the terms
        and conditions of any Loan then outstanding to Key Employee
        without such Key Employee's written consent, except as otherwise
        provided herein or in the promissory note evidencing such Loan.

        SECTION 8.     Miscellaneous Provisions.

             (a)  No employee or other person shall have any claim or
        right to receive a Loan under the Plan, and no employee shall
        have any right to be retained in the employ of the Company due to
        his or her participation in the Plan.

             (b)  No Loan shall be made hereunder unless counsel for the
        Company shall be satisfied that such Loan will be in compliance
        with applicable federal, state and local laws.

             (c)  The expenses of the Plan shall be borne by the Company.

             (d)  The Plan shall be unfunded, and the Company shall not
        be required to establish any special or separate fund or to make
        any other segregation of assets to assure the making of any Loan
        under the Plan.

             (e)  Except as otherwise provided in Section 7 hereof, by
        accepting any Loan under the Plan, each Key Employee shall be
        conclusively deemed to have indicated his acceptance and
        ratification of, and consent to, any action taken under the Plan
        or the Stock Holding Policy by the Company, the Board of
        Directors of the Company or the Committee.

             (f)  The appropriate officers of the Company shall cause to
        be filed any reports, returns or other information regarding
        Loans hereunder, as may be required by any applicable statute,
        rule or regulation.

        SECTION 9.     Effective Date.
                                        3PAGE
<PAGE>
             The Plan and the Stock Holding Policy shall become effective
        upon approval and adoption by the Committee.


















                                        4PAGE
<PAGE>
                               EXHIBIT A TO STOCK HOLDING ASSISTANCE PLAN


                               THERMO VOLTEK CORP.

                                 Promissory Note



        $_________                                                       
                                                Dated:____________


             For value received, ________________, an individual whose
        residence is located at _______________________ (the "Employee"),
        hereby promises to pay to Thermo Voltek Corp. (the "Company"), or
        assigns, ON DEMAND, but in any case on or before [insert date
        which is the fifth anniversary of date of issuance] (the
        "Maturity Date"), the principal sum of [loan amount in words]
        ($_______), or such part thereof as then remains unpaid, without
        interest.  Principal shall be payable in lawful money of the
        United States of America, in immediately available funds, at the
        principal office of the Company or at such other place as the
        Company may designate from time to time in writing to the
        Employee. 

              Unless the Company has already made a demand for payment in
        full of this Note, the Employee agrees to repay the Company  an
        amount equal to 20% of the initial principal amount of the Note
        from the payment of annual cash incentive compensation (referred
        to as bonus) to the Employee by the Company, beginning with the
        first such bonus payment to occur after the date of this Note,
        and on each of the next four bonus payment dates.  Any amount
        remaining unpaid under this Note, if no demand has been made by
        the Company, shall be due and payable on the Maturity Date.

             This Note may be prepaid at any time or from time to time,
        in whole or in part, without any premium or penalty.  The
        Employee acknowledges and agrees that the Company has advanced to
        the Employee the principal amount of this Note pursuant to the
        Company's Stock Holding Assistance Plan, and that all terms and
        conditions of such Plan are incorporated herein by reference.  

             The unpaid principal amount of this Note shall be and become
        immediately due and payable without notice or demand, at the
        option of the Company, upon the occurrence of any of the
        following events:

                  (a)  the termination of the Employee's employment with
        the Company, with or without cause, for any reason or for no
        reason;

                  (b)  the death or disability of the Employee;

                                        5PAGE
<PAGE>
                  (c)  the failure of the Employee to pay his or her
        debts as they become due, the insolvency of the Employee, the
        filing by or against the Employee of any petition under the
        United States Bankruptcy Code (or the filing of any similar
        petition under the insolvency law of any jurisdiction), or the
        making by the Employee of an assignment or trust mortgage for the
        benefit of creditors or the appointment of a receiver, custodian
        or similar agent with respect to, or the taking by any such
        person of possession of, any property of the Employee; or

                  (d)  the issuance of any writ of attachment, by trustee
        process or otherwise, or any restraining order or injunction not
        removed, repealed or dismissed within thirty (30) days of
        issuance, against or affecting the person or property of the
        Employee or any liability or obligation of the Employee to the
        Company.

             In case any payment herein provided for shall not be paid
        when due, the Employee further promises to pay all costs of
        collection, including all reasonable attorneys' fees.

             No delay or omission on the part of the Company in
        exercising any right hereunder shall operate as a waiver of such
        right or of any other right of the Company, nor shall any delay,
        omission or waiver on any one occasion be deemed a bar to or
        waiver of the same or any other right on any future occasion.
        The Employee hereby waives presentment, demand, notice of
        prepayment, protest and all other demands and notices in
        connection with the delivery, acceptance, performance, default or
        enforcement of this Note.  The undersigned hereby assents to any
        indulgence and any extension of time for payment of any
        indebtedness evidenced hereby granted or permitted by the
        Company.  

             This Note has been made pursuant to the Company's Stock
        Holding Assistance Plan and shall be governed by and construed in
        accordance with, such Plan and the laws of the State of Delaware
        and shall have the effect of a sealed instrument.


                                      _______________________________

                                      Employee Name: _________________


        ________________________
        Witness





                                                                    Exhibit 11

                               THERMO VOLTEK CORP.

                        Computation of Earnings per Share


                                     December 28,  December 30,  December 31,
                                             1996          1995          1994
                                     ------------  ------------  ------------

   Computation of Primary Earnings
     per Share:

   Net Income (a)                     $ 4,469,000    $ 2,672,000  $ 1,118,000
                                      -----------    -----------  -----------

   Shares:
     Weighted average shares
       outstanding                      8,826,578      6,528,167    5,995,380

     Add: Shares issuable from
          assumed exercise of
          options (as determined
          by the application
          of the treasury stock
          method)                               -        202,728            -
                                      -----------    -----------  -----------

     Weighted average shares
       outstanding, as adjusted (b)     8,826,578      6,730,895    5,995,380
                                      -----------    -----------  -----------

   Primary Earnings per Share
    (a) / (b)                         $       .51    $       .40  $       .19
                                      ===========    ===========  ===========
PAGE
<PAGE>
                                                                    Exhibit 11

                               THERMO VOLTEK CORP.

                  Computation of Earnings per Share (continued)


                                     December 28,  December 30,  December 31,
                                             1996          1995          1994
                                     ------------  ------------  ------------
   Computation of Fully Diluted
     Earnings per Share:

   Income:
     Net income                       $ 4,469,000   $ 2,672,000   $ 1,118,000

     Add: Convertible debt
          interest, net of tax            731,000     1,123,000     1,200,000
                                      -----------   -----------   -----------
     Income applicable to common
       stock assuming dilution (c)    $ 5,200,000   $ 3,795,000   $ 2,318,000
                                      -----------   -----------   -----------
   Shares:
     Weighted average shares
       outstanding                      8,826,578     6,528,167     5,995,380

    Add: Shares issuable from
         assumed conversion of
         subordinated convertible
         obligations                    4,553,469     6,781,601     7,220,270

         Shares issuable from
         assumed exercise of
         options (as determined
         by the application
         of the treasury stock
         method)                          256,368       231,118       152,194
                                      -----------   -----------   -----------
     Weighted average shares
       outstanding, as
       adjusted (d)                    13,636,415    13,540,886    13,367,844
                                      -----------   -----------   -----------
   Fully Diluted Earnings
     per Share (c) / (d)              $       .38   $       .28   $       .17
                                      ===========   ===========   ===========


                                                                   Exhibit 13






















                               THERMO VOLTEK CORP.

                        Consolidated Financial Statements

                                      1996
PAGE
<PAGE>



    Thermo Voltek Corp.                             1996 Financial Statements

                        Consolidated Statement of Income

    (In thousands except per share amounts)         1996      1995      1994
    ------------------------------------------------------------------------
    Revenues (Note 11)                           $48,507   $36,326   $23,641
                                                 -------   -------   -------
    Costs and Operating Expenses:
      Cost of revenues                            24,357    18,790    12,120
      Selling, general, and administrative
        expenses (Note 9)                         14,889    11,766     8,027
      Research and development expenses            3,618     2,349     1,492
                                                 -------   -------   -------
                                                  42,864    32,905    21,639
                                                 -------   -------   -------

    Operating Income                               5,643     3,421     2,002

    Interest Income                                1,774     2,073     1,697
    Interest Expense (includes $706, $706,
      and $607 to related parties; Note 8)        (1,408)   (2,130)   (2,216)
                                                 -------   -------   -------
    Income Before Provision for Income Taxes       6,009     3,364     1,483
    Provision for Income Taxes (Note 6)            1,540       692       365
                                                 -------   -------   -------
    Net Income                                   $ 4,469   $ 2,672   $ 1,118
                                                 =======   =======   =======
    Earnings per Share:
      Primary                                    $   .51   $   .40   $   .19
                                                 =======   =======   =======
      Fully diluted                              $   .38   $   .28   $   .17
                                                 =======   =======   =======

    Weighted Average Shares:
     Primary                                       8,827     6,731     5,995
                                                 =======   =======   =======
     Fully diluted                                13,636    13,541    13,368
                                                 =======   =======   =======


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






                                        2PAGE
<PAGE>
    Thermo Voltek Corp.                             1996 Financial Statements

                           Consolidated Balance Sheet

    (In thousands)                                            1996      1995
    ------------------------------------------------------------------------
    Assets
    Current Assets:
      Cash and cash equivalents                            $17,874   $ 8,651
      Available-for-sale investments, at quoted
        market value (amortized cost of $10,011
        and $25,795; includes $1,399 and $1,517 of
        related party investments; Notes 2 and 9)           10,067    26,038
      Accounts receivable, less allowances of
        $587 and $447                                       12,123     8,680
      Inventories                                           10,725     8,581
      Prepaid income taxes and other current assets
        (Note 6)                                             2,025     1,022
                                                           -------   -------
                                                            52,814    52,972
                                                           -------   -------
    Property, Plant, and Equipment, at Cost, Net             4,151     3,144
                                                           -------   -------
    Other Assets                                               299       648
                                                           -------   -------
    Cost in Excess of Net Assets of Acquired
      Companies (Note 3)                                    16,425    12,081
                                                           -------   -------
                                                           $73,689   $68,845
                                                           =======   =======



















                                        3PAGE
<PAGE>
    Thermo Voltek Corp.                             1996 Financial Statements

                     Consolidated Balance Sheet (continued)

    (In thousands except share amounts)                       1996      1995
    ------------------------------------------------------------------------
    Liabilities and Shareholders' Investment
    Current Liabilities:
      Notes payable (Note 8)                               $ 1,666   $ 1,276
      Accounts payable                                       3,718     3,966
      Accrued payroll and employee benefits                  1,264     1,128
      Accrued income taxes                                   1,244     1,103
      Accrued commissions                                    1,063       468
      Other accrued expenses                                 2,043     2,366
      Due to parent company and affiliates                     901       839
                                                           -------   -------
                                                            11,899    11,146
                                                           -------   -------
    Subordinated Convertible Obligations
      (includes $10,000 and $11,500 of related
      party debt; Note 8)                                   19,345    36,740
                                                           -------   -------

    Commitments (Note 7)

    Shareholders' Investment (Notes 4 and 5):
      Common stock, $.05 par value, 25,000,000
        shares authorized; 9,765,676 and
        4,881,099 shares issued                                488       244
      Capital in excess of par value                        37,762    20,545
      Retained earnings (accumulated deficit)                4,284      (185)
      Treasury stock at cost, 6,438 and 1,958 shares           (69)      (20)
      Cumulative translation adjustment                        (56)      229
      Net unrealized gain on available-for-sale
        investments (Note 2)                                    36       146
                                                           -------   -------
                                                            42,445    20,959
                                                           -------   -------
                                                           $73,689   $68,845
                                                           =======   =======


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




                                        4PAGE
<PAGE>
    Thermo Voltek Corp.                             1996 Financial Statements

                      Consolidated Statement of Cash Flows

    (In thousands)                                 1996      1995       1994
    ------------------------------------------------------------------------
    Operating Activities:
      Net income                              $  4,469  $  2,672    $  1,118
      Adjustments to reconcile net income
        to net cash provided by operating
        activities:
          Depreciation and amortization          1,636     1,529         948
          Provision for losses on accounts
            receivable                             103       135         101
          Changes in current accounts,
            excluding the effects of
            acquisitions:
              Accounts receivable               (3,552)   (1,525)     (1,161)
              Inventories                         (903)   (2,527)          6
              Other current assets              (1,390)      (44)        (42)
              Accounts payable                    (191)      968         532
              Other current liabilities            329       720         976
          Other                                      -       (17)         44
                                              --------  --------    --------
    Net cash provided by operating activities      501     1,911       2,522
                                              --------  --------    --------

    Investing Activities:
      Acquisitions, net of cash acquired
        (Note 3)                                (6,040)   (4,127)     (1,269)
      Purchases of available-for-sale
        investments                             (5,500)   (7,500)    (17,300)
      Proceeds from sale and maturities
        of available-for-sale investments       21,009    10,000       3,500
      Purchases of property, plant, and
        equipment                               (2,048)   (1,364)       (734)
      Other                                        325       526        (289)
                                              --------  --------    --------
    Net cash provided by (used in) investing
      activities                              $  7,746  $ (2,465)   $(16,092)
                                              --------  --------    --------





                                        5PAGE
<PAGE>
    Thermo Voltek Corp.                             1996 Financial Statements

                Consolidated Statement of Cash Flows (continued)

    (In thousands)                                  1996      1995      1994
    ------------------------------------------------------------------------
    Financing Activities:
      Net increase in short-term obligations    $    510  $    435  $    747
      Net proceeds from issuance of Company
        common stock                                 232       324       268
      Repurchase of long-term obligations
        (Note 8)                                       -      (132)        -
      Other                                            -         -       (99)
                                                --------  --------  --------
    Net cash provided by financing activities        742       627       916
                                                --------  --------  --------
    Exchange Rate Effect on Cash                     234      (377)      151
                                                --------  --------  --------
    Increase (Decrease) in Cash and Cash
      Equivalents                                  9,223      (304)  (12,503)
    Cash and Cash Equivalents at Beginning
      of Year                                      8,651     8,955    21,458
                                                --------  --------  --------
    Cash and Cash Equivalents at End of Year    $ 17,874  $  8,651  $  8,955
                                                ========  ========  ========
    Cash Paid For:
      Interest                                  $  1,311  $  2,034  $  2,048
      Income taxes                              $  2,604  $    236  $    150

    Noncash Activities:
      Conversions of subordinated convertible
        obligations (Note 8)                    $ 17,395  $  9,111  $      -
                                                ========  ========  ========
      Fair value of assets of acquired
        companies                               $  7,048  $  5,228  $  1,955
      Cash paid for acquired companies            (6,300)   (4,157)   (1,330)
                                                --------  --------  --------
        Liabilities assumed of acquired
          companies                             $    748  $  1,071  $    625
                                                ========  ========  ========


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




                                        6PAGE
<PAGE>
    Thermo Voltek Corp.                             1996 Financial Statements

               Consolidated Statement of Shareholders' Investment

    (In thousands)                               1996       1995        1994
    ------------------------------------------------------------------------
    Common Stock, $.05 Par Value
      Balance at beginning of year            $   244    $   202    $   197
      Issuance of stock under
        employees' and directors'
        stock plans                                 3          3          5
      Conversion of subordinated
        convertible obligations 
        (Note 8)                                   83         39          -
      Effect of three-for-two
        stock split                               158          -          -
                                              -------    -------    -------
      Balance at end of year                      488        244        202
                                              -------    -------    -------

    Capital in Excess of Par Value
      Balance at beginning of year             20,545     11,237     10,907
      Issuance of stock under
        employees' and directors'
        stock plans                               279        291        291
      Tax benefit related to
        employees' and directors'
        stock plans                               112        166         39
      Conversion of subordinated
        convertible obligations
        (Note 8)                               16,984      8,851          -
      Effect of three-for-two
        stock split                              (158)         -          -
                                              -------    -------    -------
      Balance at end of year                   37,762     20,545     11,237
                                              -------    -------    -------

    Retained Earnings (Accumulated
      Deficit)
      Balance at beginning of year               (185)    (2,857)    (3,975)
      Net income                                4,469      2,672      1,118
                                              -------    -------    -------
      Balance at end of year                  $ 4,284    $  (185)   $(2,857)
                                              -------    -------    -------









                                        7PAGE
<PAGE>
    Thermo Voltek Corp.                             1996 Financial Statements

         Consolidated Statement of Shareholders' Investment (continued)

    (In thousands)                               1996       1995        1994
    ------------------------------------------------------------------------
    Treasury Stock
      Balance at beginning of year            $   (20)   $   (50)   $   (22)
      Issuance of stock under
        employees' and directors'
        stock plans                               (49)        30        (28)
                                              -------    -------    -------
      Balance at end of year                      (69)       (20)       (50)
                                              -------    -------    -------

    Cumulative Translation Adjustment
      Balance at beginning of year                229        260        (10)
      Translation adjustment                     (285)       (31)       270
                                              -------    -------    -------
      Balance at end of year                      (56)       229        260
                                              -------    -------    -------

    Net Unrealized Gain (Loss) on
      Available-for-sale Investments
      Balance at beginning of year                146       (320)         -
      Effect of change in accounting
        principle (Note 2)                          -                    10
      Change in net unrealized gain
        (loss) on available-for-sale
        investments (Note 2)                     (110)       466       (330)
                                              -------    -------    -------
      Balance at end of year                       36        146       (320)
                                              -------    -------    -------

    Total Shareholders' Investment            $42,445    $20,959    $ 8,472
                                              =======    =======    =======


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






                                        8PAGE
<PAGE>
    Thermo Voltek Corp.                             1996 Financial Statements

                   Notes to Consolidated Financial Statements

    1.  Nature of Operations and Summary of Significant Accounting Policies

    Nature of Operations
        Thermo Voltek Corp. (the Company) designs, manufactures, and markets
    electromagnetic compatibility (EMC) testing instruments, high-voltage
    power-conversion systems, and programmable power amplifiers. The
    Company's EMC testing instruments simulate pulsed electromagnetic
    interference (pulsed EMI), radio frequency interference (RFI), and
    changes in AC voltage, to allow manufacturers of electronic systems and
    integrated circuits to test for resistance to those conditions. The
    Company's high-voltage power conversion systems transform utility-
    supplied AC power into DC voltages and currents required by the user. The
    Company's programmable power amplifiers have applications in EMC testing
    and other areas. The Company also provides EMC consulting and
    systems-integration services and distributes EMC-related products.

    Relationship with Thermedics Inc. and Thermo Electron Corporation
        As of December 28, 1996, Thermedics Inc. (Thermedics) owned 4,971,333
    shares of the Company's common stock, representing 51% of such stock
    outstanding. Thermedics is a 55%-owned subsidiary of Thermo Electron
    Corporation (Thermo Electron). As of December 28, 1996, Thermo Electron
    owned 51,700 shares of the Company's common stock, representing 0.53% of
    such stock outstanding.

    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
        The Company has adopted a fiscal year ending the Saturday nearest
    December 31. References to 1996, 1995, and 1994 are for the fiscal years
    ended December 28, 1996, December 30, 1995, and December 31, 1994,
    respectively.

    Revenue Recognition
        The Company recognizes product revenues upon shipment of its
    products. The Company provides a reserve for its estimate of warranty
    costs at the time of shipment. Revenues and profits on substantially all
    contracts are recognized using the percentage-of-completion method.
    Revenues recorded under the percentage-of-completion method were
    $4,806,000 in 1996, $2,884,000 in 1995, and $330,000 in 1994. The
    percentage of completion is determined by relating either the actual
    costs or actual labor incurred to date to management's estimate of total
    costs or total labor, respectively, to be incurred on each contract. If a
    loss is indicated on any contract in process, a provision is made
    currently for the entire loss. The Company's contracts generally provide
    for billing of customers upon the attainment of certain milestones
    specified in each contract. Revenues earned on contracts in process in
    excess of billings are included in inventories in the accompanying


                                        9PAGE
<PAGE>
    Thermo Voltek Corp.                             1996 Financial Statements

                   Notes to Consolidated Financial Statements

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

    balance sheet and were not material at year-end 1996 and 1995. There are
    no significant amounts included in the accompanying balance sheet that
    are not expected to be recovered from existing contracts at current
    contract values, or that are not expected to be collected within one
    year, including amounts billed but not paid under retainage provisions.

    Stock-based Compensation Plans
        The Company applies Accounting Principles Board Opinion (APB) No. 25,
    "Accounting for Stock Issued to Employees" and related interpretations in
    accounting for its stock-based compensation plans (Note 4). Accordingly,
    no accounting recognition is given to stock options granted at fair
    market value until they are exercised. Upon exercise, net proceeds,
    including tax benefits realized, are credited to equity.

    Income Taxes
        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
        Primary earnings per share has been computed based on the weighted
    average number of shares outstanding and, in 1996 and 1995, included
    common stock equivalents (stock options) computed using the treasury
    stock method. In 1994, the effect of common stock equivalents was
    immaterial. Fully diluted earnings per share has been computed, where
    dilutive, assuming the conversion of the Company's subordinated
    convertible obligations and elimination of the related interest expense,
    as well as the exercise of stock options and their related income tax
    effects.

    Stock Split
        All share and per share information, except for share information in
    the accompanying 1995 balance sheet, has been restated to reflect a
    three-for-two stock split, effected in the form of a 50% stock dividend,
    distributed in August 1996.

    Cash and Cash Equivalents
        As of December 28, 1996, $16,623,000 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 U.S. government agency securities, corporate
    notes, commercial paper, money market funds, 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

                                       10PAGE
<PAGE>
    Thermo Voltek Corp.                             1996 Financial Statements

                   Notes to Consolidated Financial Statements

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

    a rate based on the 90-day Commercial Paper Composite Rate plus 25 basis
    points, set at the beginning of each quarter. Cash equivalents are
    carried at cost, which approximates market value.

    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                                        $ 4,835    $ 3,598
    Work in process                                        3,097      3,059
    Finished goods                                         2,793      1,924
                                                         -------    -------
                                                         $10,725    $ 8,581
                                                         =======    =======

    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 using the straight-line method
    over the estimated useful lives of the property as follows: building and
    improvements, 5 to 25 years; machinery and equipment, 3 to 10 years; and
    leasehold improvements, the shorter of the term of the lease or the life
    of the asset. Property, plant, and equipment consists of the following:

    (In thousands)                                          1996       1995
    -----------------------------------------------------------------------
    Land and building                                    $ 1,806    $ 1,788
    Machinery, equipment, and leasehold improvements       7,933      5,889
                                                         -------    -------
                                                           9,739      7,677
    Less: Accumulated depreciation and amortization        5,588      4,533
                                                         -------    -------
                                                         $ 4,151    $ 3,144
                                                         =======    =======

    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 periods not
    exceeding 40 years. Accumulated amortization was $1,371,000 and $943,000
    at year-end 1996 and 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 companies in
    assessing the recoverability of this asset. If impairment has occurred,
    any excess of carrying value over fair value is recorded as a loss.

                                       11PAGE
<PAGE>
    Thermo Voltek Corp.                             1996 Financial Statements

                   Notes to Consolidated Financial Statements

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

    Foreign Currency
        All assets and liabilities of the Company's foreign subsidiaries are
    translated at year-end exchange rates, and revenues and expenses are
    translated at average exchange rates for the year in accordance with SFAS
    No. 52, "Foreign Currency Translation." Resulting translation adjustments
    are reflected as a separate component of shareholders' investment titled
    "Cumulative translation adjustment." Foreign currency transaction gains
    and losses are included in the accompanying statement of income and are
    not material for the three years presented.

    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.

    2.  Available-for-sale Investments

        Effective January 2, 1994, the Company adopted SFAS No. 115,
    "Accounting for Certain Investments in Debt and Equity Securities." In
    accordance with SFAS No. 115, the Company's debt and marketable equity
    securities are considered available-for-sale investments in the
    accompanying balance sheet and are carried at market value, with the
    difference between cost and market value, net of related tax effects,
    recorded currently as a component of shareholders' investment titled "Net
    unrealized gain (loss) on available-for-sale investments." Effect of
    change in accounting principle in the accompanying 1994 statement of
    shareholders' investment represents the unrealized gain, net of related
    tax effects, pertaining to available-for-sale investments held by the
    Company on January 2, 1994.





                                       12PAGE
<PAGE>
    Thermo Voltek Corp.                             1996 Financial Statements

                   Notes to Consolidated Financial Statements

    2.  Available-for-sale Investments (continued)

        The aggregate market value, cost basis, and gross unrealized gains
    and losses of available-for-sale investments by major security type, as
    of December 28, 1996, and December 30, 1995, are as follows:

    1996
                                                         Gross        Gross
                              Market         Cost   Unrealized   Unrealized
    (In thousands)             Value        Basis        Gains       Losses
    -----------------------------------------------------------------------
    Government agency
      securities             $ 4,501      $ 4,500      $     1      $     -
    Corporate bonds            2,379        2,314           65            -
    Money market preferred
      stock                    1,060        1,070            -          (10)
    Other                      2,127        2,127            -            -
                             -------      -------      -------      -------
                             $10,067      $10,011      $    66      $   (10)
                             =======      =======      =======      =======

    1995
                                                         Gross        Gross
                              Market         Cost   Unrealized   Unrealized
    (In thousands)             Value        Basis        Gains       Losses
    -----------------------------------------------------------------------
    Government agency
      securities             $13,464      $13,396      $    71       $   (3)
    Corporate bonds            7,533        7,362          182          (11)
    Money market preferred
      stock                    2,660        2,655           24          (19)
    Other                      2,381        2,382            -           (1)
                             -------      -------      -------       ------
                             $26,038      $25,795      $   277       $  (34)
                             =======      =======      =======      =======

        Available-for-sale investments in the accompanying 1996 balance sheet
    includes $7,016,000 with contractual maturities of one year or less and
    $3,051,000 with contractual maturities of more than one year through five
    years. Actual maturities may differ from contractual maturities as a
    result of the Company's intent to sell these securities prior to maturity
    and as a result of put and call options that enable the Company, the
    issuer, or both to redeem these securities at an earlier date.






                                       13PAGE
<PAGE>
    Thermo Voltek Corp.                             1996 Financial Statements

                   Notes to Consolidated Financial Statements

    3.  Acquisitions

        In July 1996, the Company acquired substantially all of the assets,
    subject to certain liabilities, of Pacific Power Source Corporation
    (Pacific Power) for $6,300,000 in cash, including the repayment of
    $800,000 in debt. Pacific Power manufactures programmable power
    amplifiers that can be incorporated into EMC test equipment to assess how
    well electronics tolerate normal variations in the quality and quantity
    of AC voltage. These amplifiers are also used in other kinds of test
    equipment and in application-specific power supplies.
        In March 1995, the Company acquired substantially all of the assets,
    subject to certain liabilities, of Kalmus Engineering Incorporated and
    R.F. Power Labs, Incorporated (collectively, Kalmus) for $3,755,000 in
    cash. Kalmus is a manufacturer of radio frequency power amplifiers and
    systems used to test products for immunity to RFI and in medical imaging
    and telecommunications applications.
        Additionally, the Company acquired a component-reliability product
    line in 1995 for approximately $402,000 in cash.
        In July 1994, the Company's Comtest Limited subsidiary acquired
    Verifier Systems Limited (Verifier) for approximately $1,330,000 in cash.
    Verifier is a United Kingdom-based manufacturer of test equipment that
    performs electrical stress tests for semiconductor devices.
        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. The aggregate cost of these acquisitions exceeded the
    estimated fair value of the acquired net assets by $8,707,000, which is
    being amortized over periods not exceeding 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 Pacific Power, is subject to
    adjustment upon finalization of the purchase price allocation.
        Based on unaudited data, the following table presents selected
    financial information for the Company and Kalmus, on a pro forma basis,
    assuming that the Company and Kalmus had been combined since the
    beginning of 1994. Pro forma data is not presented for the Company's
    other acquisitions since they were not material to the Company's results
    of operations.

    (In thousands except per share amounts)                   1995      1994
    ------------------------------------------------------------------------
    Revenues                                               $37,051   $27,513
    Net income                                               2,874     1,358
    Earnings per share:
      Primary                                                  .43       .23
      Fully diluted                                            .30       .19

        The pro forma results are not necessarily indicative of future
    operations or the actual results that would have occurred had the
    acquisition of Kalmus been made at the beginning of 1994.

                                       14PAGE
<PAGE>
    Thermo Voltek Corp.                             1996 Financial Statements

                   Notes to Consolidated Financial Statements

    4.  Employee Benefit Plans

    Stock-based Compensation Plans

    Stock Option Plans
    ------------------
        The Company has stock-based compensation plans for its key employees,
    directors, and others. Two of the plans, adopted in 1985 and 1990, permit
    the grant of nonqualified and incentive stock options. A third plan,
    adopted in 1994, 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. To date,
    only nonqualified stock options have been awarded under this plan. The
    option recipients and the terms of options granted under these plans are
    determined by the Board Committee. Generally, options granted to date are
    exercisable immediately, but 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 a five to ten year
    period, depending on the term of the option, which may range from five 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 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 in 1993, that provides for the grant of stock options to outside
    directors pursuant to a formula approved by the Company's shareholders.
    Options awarded under this plan are exercisable six months after the date
    of grant and expire three or seven years after the date of grant. 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 and Thermedics.

    Employee Stock Purchase Program
    -------------------------------
        Substantially all of the Company's full-time U.S. employees are
    eligible to participate in an employee stock purchase program sponsored
    by the Company and Thermo Electron. Under this program, shares of the
    Company's and Thermo Electron's common stock can be purchased at the end
    of a 12-month period at 95% of the fair market value at the beginning of
    the period, 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 period, 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. During 1996, 1995, and
    1994, the Company issued 8,891 shares, 10,308 shares, and 4,820 shares,
    respectively, of its common stock under this program. 







                                       15
PAGE
<PAGE>



    Thermo Voltek Corp.                             1996 Financial Statements

                   Notes to Consolidated Financial Statements

    4.  Employee Benefit Plans (continued)

    Pro Forma Stock-based Compensation Expense
        In October 1995, the Financial Accounting Standards Board issued SFAS
    No. 123, "Accounting for Stock-based Compensation," which sets forth a
    fair-value based method of recognizing stock-based compensation expense.
    As permitted by SFAS No. 123, the Company has elected to continue to
    apply APB No. 25 to account for its stock-based compensation plans. Had
    compensation cost for awards in 1996 and 1995 under the Company's
    stock-based compensation plans been determined based on the fair value at
    the grant dates consistent with the method set forth under SFAS No. 123,
    the effect on the Company's net income and earnings per share would have
    been as follows:

    (In thousands except per share amounts)                1996         1995
    ------------------------------------------------------------------------
    Net income:
      As reported                                       $4,469       $2,672
      Pro forma                                          4,294        2,601
    Primary earnings per share:
      As reported                                          .51          .40
      Pro forma                                            .49          .39
    Fully diluted earnings per share:
      As reported                                          .38          .28
      Pro forma                                            .37          .28

        Because the method prescribed by SFAS No. 123 has not been applied to
    options granted prior to January 1, 1995, the resulting pro forma
    compensation expense may not be representative of the amount to be
    expected in future years. Pro forma compensation expense for options
    granted is reflected over the vesting period; therefore, future pro forma
    compensation expense may be greater as additional options are granted.
        The fair value of each option grant was estimated on the grant date
    using the Black-Scholes option-pricing model with the following
    weighted-average assumptions:

                                                           1996        1995
    -----------------------------------------------------------------------
    Volatility                                             41%          41%
    Risk-free interest rate                               6.6%         6.3%
    Expected life of options                           5 years    4.4 years

        The Black-Scholes option-pricing model was developed for use in
    estimating the fair value of traded options that have no vesting
    restrictions and are fully transferable. In addition, option-pricing
    models require the input of highly subjective assumptions, including
    expected stock price volatility. Because the Company's employee stock
    options have characteristics significantly different from those of traded
    options, and because changes in the subjective input assumptions can
    materially affect the fair value estimate, in management's opinion, the
    existing models do not necessarily provide a reliable single measure of
    the fair value of its employee stock options.




                                       16
PAGE
<PAGE>



   Thermo Voltek Corp.                               1996 Financial Statements

                   Notes to Consolidated Financial Statements

   4.  Employee Benefit Plans (continued)

   Stock Option Activity
      A summary of the Company's stock option activity is as follows:

                              1996              1995               1994
                        ----------------  ----------------  -----------------
                                Weighted          Weighted           Range of
                        Number   Average  Number   Average  Number     Option
   (Shares                  of  Exercise      of  Exercise      of     Prices
   in thousands)        Shares     Price  Shares     Price  Shares  per Share
   --------------------------------------------------------------------------
   Options outstanding,                                              $ 1.08-
     beginning of year    766    $ 5.22      740   $ 4.07      783     6.43
                                                                       5.10-
       Granted            115     12.52      167     8.73      118     5.89
                                                                       1.08-
       Exercised          (55)     3.64      (98)    2.94     (131)    3.93
                                                                       1.33-
       Forfeited          (44)     5.74      (43)    4.30      (30)    5.89
                        -----              -----             -----
   Options outstanding,                                              $ 1.08-
     end of year          782    $ 6.37      766   $ 5.22      740     6.43
                        =====    ======    =====   ======    =====   =======
                                                                     $ 1.08-
   Options exercisable    782    $ 6.37      766   $ 5.22      737     6.43
                        =====    ======    =====   ======    =====   =======
   Options available
     for grant             85                155               329
                        =====              =====             =====
   Weighted average fair
     value per share of
     options granted
     during year                 $ 5.58            $ 3.70
                                 ======            ======

        A summary of the status of the Company's stock options at December 28,
   1996, is as follows:

                                      Options Outstanding and Exercisable
                                      -----------------------------------
                                                                  Weighted
                                                Weighted Average   Average
                                        Number         Remaining  Exercise
   Range of Exercise Prices          of Shares  Contractual Life     Price
   -----------------------------------------------------------------------
   (Shares in thousands)

   $ 1.08 - $ 4.23                        328         2.8 years    $ 3.23
     4.24 -   7.62                        244         7.3 years      6.17
     7.63 -  11.01                        112         5.9 years     10.29
    11.02 -  14.40                         98         7.0 years     12.86
                                          ---

   $ 1.08 - $14.40                        782         5.2 years    $ 6.37
                                          ===




                                       17
PAGE
<PAGE>



   Thermo Voltek Corp.                               1996 Financial Statements

                   Notes to Consolidated Financial Statements

   4.  Employee Benefit Plans (continued)

   401(k) Savings Plan
       Substantially all of the Company's full-time U.S. employees are
   eligible to participate in Thermo Electron's 401(k) savings plan.
   Contributions to the plan are made by both the employee and the Company.
   Company contributions are based upon the level of employee contributions.
   For this plan, the Company contributed and charged to expense $249,000,
   $184,000, and $196,000 in 1996, 1995, and 1994, respectively.

   5.  Common Stock

       At December 28, 1996, the Company had reserved 4,718,744 unissued
   shares of its common stock for possible issuance under stock-based
   compensation plans and for issuance upon possible conversion of the
   Company's subordinated convertible obligations.

   6.  Income Taxes

       The components of income before provision for income taxes are as
   follows:

   (In thousands)                                   1996     1995     1994
   -----------------------------------------------------------------------
   Domestic                                      $4,684    $2,616   $1,118
   Foreign                                        1,325       748      365
                                                 ------    ------   ------
                                                 $6,009    $3,364   $1,483
                                                 ======    ======   ======

        The components of the provision for income taxes are as follows:

   (In thousands)                                   1996     1995     1994
   -----------------------------------------------------------------------
   Currently payable:
     Federal                                     $1,554    $  608   $   36
     Foreign                                        466       323      154
     State                                          249       276      108
                                                 ------    ------   ------
                                                  2,269     1,207      298
                                                 ------    ------   ------
   Net deferred (prepaid):
     Federal                                       (689)     (412)      57
     State                                          (40)     (103)      10
                                                 ------    ------   ------
                                                   (729)     (515)      67
                                                 ------    ------   ------
                                                 $1,540    $  692   $  365
                                                 ======    ======   ======












                                       18
PAGE
<PAGE>



   Thermo Voltek Corp.                               1996 Financial Statements

                   Notes to Consolidated Financial Statements

   6.  Income Taxes (continued)

       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
   $112,000, $166,000, and $39,000 of such benefits allocated to capital in
   excess of par value in 1996, 1995, and 1994, respectively.
       The provision for income taxes in the accompanying statement of income
   differs from the provision calculated by applying the statutory federal
   income tax rate of 34% to income before provision for income taxes due to
   the following:

   (In thousands)                                 1996      1995      1994
   -----------------------------------------------------------------------
   Provision for income taxes at
     statutory rate                             $2,043    $1,144    $  504
   Increases (decreases) resulting from:
     Decrease in valuation allowance              (684)     (630)     (290)
     State income taxes, net of federal tax        138       114        77
     Nondeductible expenses                         62        86       101
     Foreign tax rate and tax regulation
       differential                                 15        68        10
     Foreign sales corporation                    (123)      (87)      (55)
     Other                                          89        (3)       18
                                                ------    ------    ------
                                                $1,540    $  692    $  365
                                                ======    ======    ======

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

   (In thousands)                                 1996      1995
   -------------------------------------------------------------
   Prepaid income taxes:
     Tax loss and credit carryforwards          $  652    $1,237
     Accruals and reserves                         708       702
     Available-for-sale investments                (20)      (97)
     Inventory basis differences                   180         -
     Accrued compensation                          160        88
     Allowance for doubtful accounts                82        78
     Other                                          40         -
                                                ------    ------
                                                 1,802     2,008
     Less: Valuation allowance                       -     1,209
                                                ------    ------
                                                $1,802    $  799
                                                ======    ======











                                       19
PAGE
<PAGE>



   Thermo Voltek Corp.                               1996 Financial Statements

                   Notes to Consolidated Financial Statements

   6.  Income Taxes (continued)

       The 1995 valuation allowance primarily related to uncertainty
   surrounding the realization of tax loss and credit carryforwards and
   certain other tax assets of the Company. The valuation allowance was
   eliminated in 1996. Of the total decrease to the valuation allowance,
   $684,000 relates to reduced uncertainty surrounding the realizability of
   the tax loss and credit carryforwards, and was recorded as a decrease in
   the provision for income taxes in 1996. The remaining decrease in the
   valuation allowance primarily relates to the elimination of related tax
   loss and credit carryforwards due to the inability to obtain a benefit
   prior to the expiration thereof. The provision for income taxes was reduced
   by $630,000 and $290,000 in 1995 and 1994, respectively, as a result of
   changes in the amount of estimated tax assets and the utilization of a
   portion of the Company's tax loss and credit carryforwards.
       As of December 28, 1996, the Company has federal tax net operating loss
   carryforwards of approximately $2.5 million, subject to the limitations
   described below. These net operating loss carryforwards will begin to
   expire in 1998. Pursuant to U.S. Internal Revenue Code Sections 382 and
   383, the utilization of the net operating loss carryforwards is limited to
   the tax benefit of a deduction of approximately $240,000 per year with any
   unused portion of this annual limitation carried forward to future years.
       A provision has not been made for U.S. or additional foreign taxes on
   $1.8 million of undistributed earnings of foreign subsidiaries that could
   be subject to tax if remitted to the U.S. because the Company currently
   plans to keep these amounts permanently reinvested overseas. The Company
   believes that any additional U.S. tax liability due upon remittance of such
   earnings would be immaterial due to available U.S. foreign tax credits.

   7.  Commitments

       The Company occupies office and operating facilities under operating
   leases expiring at various dates through 2003. The accompanying statement
   of income includes expenses from operating leases of $555,000, $381,000,
   and $363,000 in 1996, 1995, and 1994, respectively. The future minimum
   payments due under noncancellable operating leases as of December 28, 1996,
   are $749,000 in 1997; $758,000 in 1998; $770,000 in 1999; $764,000 in 2000;
   and $613,000 in 2001 and thereafter. Total future minimum lease payments
   are $3,654,000.

   8.  Short- and Long-term Obligations

   Short-term Obligations
       The Company has lines of credit denominated in certain foreign
   currencies to borrow up to approximately $2,625,000. Amounts borrowed under
   these arrangements are classified as notes payable in the accompanying
   balance sheet. The weighted average interest rate for these borrowings at
   year-end 1996 and 1995 was 6.3% and 7.6%, respectively. Unused lines of
   credit were $959,000 at December 28, 1996.





                                       20
PAGE
<PAGE>



   Thermo Voltek Corp.                               1996 Financial Statements

                   Notes to Consolidated Financial Statements

   8.  Short- and Long-term Obligations (continued)

   Long-term Obligations
       Long-term obligations of the Company are as follows:

   (In thousands except per share amounts)                   1996      1995
   ------------------------------------------------------------------------
   3 3/4% Subordinated convertible debentures,
     due 2000, convertible at $7.83 per share (a)        $ 9,345   $25,240
   5% Subordinated convertible note, due 2003,
     convertible at $3.78 per share (b)                    4,000     4,000
   6 3/4% Subordinated convertible note, due 2002,
     convertible at $4.27 per share (b)                    6,000     7,500
                                                         -------   -------
                                                         $19,345   $36,740
                                                         =======   =======

   (a) In lieu of issuing shares of the Company's common stock upon
       conversion, the Company has the option to pay holders of the debentures
       cash equal to the weighted average market price of the Company's common
       stock on the trading date prior to conversion.
   (b) Represents an obligation to Thermedics.

       During 1996 and 1995, $17,395,000 and $9,111,000, respectively, of
   convertible obligations were converted into shares of the Company's common
   stock. In 1995, the Company repurchased $149,000 principal amount of the 3
   3/4% subordinated convertible debentures.
       Short- and long-term obligations in the accompanying balance sheet are
   guaranteed on a subordinated basis by Thermo Electron. Thermedics has
   agreed to reimburse Thermo Electron in the event Thermo Electron is
   required to make a payment under the guarantees.
       See Note 10 for fair value information pertaining to the Company's
   long-term obligations.

   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
   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 $485,000, $436,000, and $296,000 in 1996, 1995, and
   1994, respectively. The corporate services agreement is renewed annually
   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). Management believes that the service



                                       21
PAGE
<PAGE>



    Thermo Voltek Corp.                             1996 Financial Statements

                   Notes to Consolidated Financial Statements

    9.  Related Party Transactions (continued)

    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. 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.

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

    Available-for-sale Investments
        At December 28, 1996, and December 30, 1995, the Company's
    available-for-sale investments included $1,399,000 and $1,517,000
    (amortized cost of $1,336,000 and $1,339,000), respectively, of 6 1/2%
    subordinated convertible debentures due 1997, which were purchased on the
    open market. These debentures have a par value of $1,300,000 and were
    issued by Thermo TerraTech Inc., a majority-owned subsidiary of Thermo
    Electron.

    Subordinated Convertible Notes
        See Note 8 for subordinated convertible notes of the Company held by
    Thermedics.

    10. Fair Value of Financial Instruments

        The Company's financial instruments consist mainly of cash and cash
    equivalents, available-for-sale investments, accounts receivable, notes
    payable, accounts payable, due to parent company and affiliates, and
    subordinated convertible obligations. The carrying amounts of these
    financial instruments, with the exception of available-for-sale
    investments and subordinated convertible obligations, approximate fair
    value due to their short-term nature. 
        Available-for-sale investments are carried at fair value in the
    accompanying balance sheet. The fair values were determined based on
    quoted market prices. See Note 2 for fair value information pertaining to
    these financial instruments.
        The fair value of the Company's subordinated convertible obligations
    was determined based on quoted market prices. The carrying amount and
    fair value of the Company's subordinated convertible obligations are as
    follows:
                                       1996                    1995
                               --------------------    --------------------
                               Carrying        Fair    Carrying        Fair
    (In thousands)               Amount       Value      Amount       Value
    -----------------------------------------------------------------------
    Subordinated convertible
      obligations (1)           $ 19,345    $ 38,836    $36,740    $61,449

    (1) The fair value of subordinated convertible obligations exceeds the
        carrying amount primarily due to the market price of the Company's
        common stock exceeding the conversion price of the subordinated
        convertible obligations.



                                       22
PAGE
<PAGE>



    Thermo Voltek Corp.                             1996 Financial Statements

                   Notes to Consolidated Financial Statements

    11. Geographical Information

        The following table shows data for the Company by geographical area.
    (In thousands)                                  1996      1995      1994
    ------------------------------------------------------------------------
    Revenues:
        United States                            $31,013   $23,375   $16,262
        The Netherlands                            8,164     6,977     5,156
        United Kingdom                             8,565     6,967     2,865
        Italy                                      3,460     2,143         -
        Transfers among geographical areas (a)    (2,695)   (3,136)     (642)
                                                 -------   -------   -------
                                                 $48,507   $36,326   $23,641
                                                 =======   =======   =======
    Income before provision for income taxes:
        United States                            $ 5,045   $ 3,343   $ 2,296
        The Netherlands                              798       405       170
        United Kingdom                               370       388       244
        Italy                                        236       123         -
        Corporate and eliminations (b)              (806)     (838)     (708)
                                                 -------   -------   -------
         Total operating income                    5,643     3,421     2,002
        Interest income (expense), net               366       (57)     (519)
                                                 -------   -------   -------
                                                 $ 6,009   $ 3,364   $ 1,483
                                                 =======   =======   =======

    Identifiable assets:
        United States                            $30,954   $21,816   $15,749
        The Netherlands                            5,249     5,238     5,076
        United Kingdom                             6,561     5,015     3,273
        Italy                                      1,643     1,914         -
        Corporate (c)                             29,282    34,862    38,126
                                                 -------   -------   -------
                                                 $73,689   $68,845   $62,224
                                                 =======   =======   =======

    Export revenues included in United States
      revenues above (d):
        Europe                                   $ 2,150   $ 4,598   $ 1,661
        Asia                                       7,881     4,994     3,704
        Other                                      1,513       330       422
                                                 -------   -------   -------
                                                 $11,544   $ 9,922   $ 5,787
                                                 =======   =======   =======

    (a) Transfers among geographical areas are accounted for at prices that
        are representative of transactions with unaffiliated parties.
    (b) Primarily corporate general and administrative expenses.
    (c) Primarily cash and cash equivalents and available-for-sale
       investments.
    (d) In general, export sales are denominated in U.S. dollars.








                                       23
PAGE
<PAGE>



    Thermo Voltek Corp.                             1996 Financial Statements

                   Notes to Consolidated Financial Statements

    12. Unaudited Quarterly Information

    (In thousands except per share amounts)

    1996                              First     Second      Third(a)  Fourth
    ------------------------------------------------------------------------
    Revenues                        $10,621    $11,882    $12,800   $13,204
    Gross profit                      5,231      5,729      6,330     6,860
    Net income                          937      1,132      1,194     1,206
    Earnings per share:
      Primary                           .12        .13        .13       .13
      Fully diluted                     .08        .10        .10       .10

    1995                              First(b)  Second      Third     Fourth
    ------------------------------------------------------------------------
    Revenues                        $ 7,308    $ 8,554    $ 9,442   $11,022
    Gross profit                      3,488      4,042      4,659     5,347
    Net income                          415        603        744       910
    Earnings per share:
      Primary                           .07        .09        .11       .12
      Fully diluted                     .05        .07        .08       .09

    (a)Reflects the July 1996 acquisition of Pacific Power.
    (b)Reflects the March 1995 acquisition of Kalmus.
































                                       24
PAGE
<PAGE>



    Thermo Voltek Corp.                             1996 Financial Statements

                    Report of Independent Public Accountants

    To the Shareholders and Board of Directors of Thermo Voltek Corp.:

        We have audited the accompanying consolidated balance sheet of Thermo
    Voltek Corp. (a Delaware corporation and 51%-owned subsidiary of
    Thermedics Inc.) and subsidiaries as of December 28, 1996, and December
    30, 1995, and the related consolidated statements of income,
    shareholders' investment, and cash flows for each of the three years in
    the period ended December 28, 1996. 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
    Thermo Voltek Corp. and subsidiaries as of December 28, 1996, and
    December 30, 1995, and the results of their operations and their cash
    flows for each of the three years in the period ended December 28, 1996,
    in conformity with generally accepted accounting principles.



                                              Arthur Andersen LLP



    Boston, Massachusetts
    February 6, 1997


















                                       25
PAGE
<PAGE>



    Thermo Voltek Corp.                             1996 Financial Statements

                     Management's Discussion and Analysis of
                  Financial Condition and Results of Operations

        Forward-looking statements, within the meaning of Section 21E of the
    Securities Exchange Act of 1934, are made throughout this Management's
    Discussion and Analysis of Financial Condition and Results of Operations.
    For this purpose, any statements contained herein that are not statements
    of historical fact may be deemed to be forward-looking statements.
    Without limiting the foregoing, the words "believes," "anticipates,"
    "plans," "expects," "seeks," "estimates," and similar expressions are
    intended to identify forward-looking statements. There are a number of

    important factors that could cause the results of the Company to differ
    materially from those indicated by such forward-looking statements,
    including those detailed immediately after this Management's Discussion
    and Analysis of Financial Conditions and Results of Operations under the
    caption "Forward-looking Statements."

    Overview

        The Company designs, manufactures, and markets electromagnetic
    compatibility (EMC) testing instruments, high-voltage power-conversion
    systems, and programmable power amplifiers. The Company's KeyTek
    Instrument (KeyTek) division manufactures instruments that test for
    immunity to pulsed electromagnetic interference (pulsed EMI). Through its
    Universal Voltronics division, the Company manufactures high-voltage
    power conversion systems that transform utility-supplied AC power into DC
    voltages and currents required by the user, while allowing precise
    control over the performance level desired for each application. The
    Company's Kalmus division manufactures radio frequency power amplifiers
    and systems used to test products for immunity to conducted and radiated
    radio frequency interference (RFI). Comtest Europe B.V. (Comtest)
    manufactures and distributes a range of EMC-related products, provides
    EMC consulting and systems-integration services, and manufactures
    specialized power supplies for telecommunications equipment. Acquired in
    July 1996, Pacific Power Source Corporation (Pacific Power) manufactures
    programmable power amplifiers that can be incorporated into EMC test
    equipment to assess tolerance to normal variances in the quality and
    quantity of AC voltage. 
        The Company's strategy is to expand through a combination of internal
    product development and the acquisition of new businesses and
    technologies. The Company acquired Pacific Power to provide additional
    depth to its line of EMC products and services. The Company plans to make
    additional acquisitions to expand the range of EMC products and services
    it can offer to its customers.
        Approximately 60% and 63% of the Company's revenues in 1996 and 1995,
    respectively, were derived from sales of products outside the U.S.,
    through export sales and sales by the Company's European operations.
    Although the Company seeks to charge its customers in the same currency
    as its operating costs, the Company's financial performance and
    competitive position can be affected by currency exchange rate
    fluctuations.




                                       26
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<PAGE>



    Thermo Voltek Corp.                             1996 Financial Statements

                     Management's Discussion and Analysis of
                  Financial Condition and Results of Operations

    Results of Operations

    1996 Compared With 1995
        Revenues increased 34% to $48.5 million in 1996 from $36.3 million in
    1995, due to an increase in revenues at Comtest, the inclusion of $3.0
    million in revenues from the July 1996 acquisition of Pacific Power, and
    increased revenues at KeyTek and Kalmus. Revenues at Comtest increased
    primarily due to an increase in demand for electrostatic-discharge test
    equipment manufactured by its Verifier division, as well as an increase
    in revenues from a product line for testing immunity to RFI that was
    introduced in 1995. Increased revenues at KeyTek primarily resulted from
    greater demand for its EMC test equipment. Revenues at Kalmus, acquired
    in March 1995, increased $1.1 million due to the inclusion of revenues
    for the full year in 1996 and $1.3 million primarily due to increased
    shipments resulting from the implementation of manufacturing
    efficiencies.
        The gross profit margin increased to 50% in 1996 from 48% in 1995,
    primarily due to an increase in higher-margin domestic sales at KeyTek
    and an increase in the gross profit margin at Kalmus, primarily due to
    implementation of manufacturing efficiencies.
        Selling, general, and administrative expenses as a percentage of
    revenues decreased to 31% in 1996 from 32% in 1995, primarily due to an
    increase in revenues. Research and development expenses as a percentage
    of revenues increased to 7.5% in 1996 from 6.5% in 1995, principally due
    to higher research and development expenses at Comtest and KeyTek.
        Interest income decreased to $1.8 million in 1996 from $2.1 million
    in 1995, primarily due to lower average invested balances. Interest
    expense decreased to $1.4 million in 1996 from $2.1 million in 1995,
    primarily due to conversions of the Company's subordinated convertible
    obligations during 1995 and 1996.
        The effective tax rate was 26% in 1996 and 21% in 1995. The effective
    tax rates were below the statutory federal income tax rate primarily due
    to the elimination of the tax valuation allowance that was no longer
    required (Note 6), offset in part by the impact of state income taxes.
    The effective tax rate increased in 1996 primarily due to a decrease in
    tax net operating loss carryforwards as a percentage of income before
    provision for income taxes. As of December 28, 1996, the Company has no
    further net operating loss carryforwards that will benefit future
    periods. Accordingly, the Company expects its effective tax rate in 1997
    to increase.

    1995 Compared With 1994
        Revenues increased 54% to $36.3 million in 1995 from $23.6 million in
    1994. The increase in revenues is primarily the result of the inclusion
    of $4.7 million in revenues from Kalmus, acquired in March 1995, an
    increase of $3.1 million in revenues from Comtest, and an increase of
    $2.5 million in revenues due to the inclusion of revenues for the full
    year of 1995 from Verifier, acquired in July 1994. The increase in
    revenues from Comtest resulted primarily from the introduction in 1995 of
    a new product line for testing immunity to RFI and, to a lesser extent,
    the favorable effects of currency translation due to a weaker U.S. dollar


                                       27
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<PAGE>



    Thermo Voltek Corp.                             1996 Financial Statements

                     Management's Discussion and Analysis of
                  Financial Condition and Results of Operations

    1995 Compared With 1994 (continued)
    in 1995. The balance of the increase in sales resulted from greater
    demand at KeyTek and, to a lesser extent, Universal Voltronics. 
        The gross profit margin decreased to 48% in 1995 from 49% in 1994,
    primarily due to higher European sales in 1995 in one of KeyTek's product
    lines, which have lower margins due to competitive pricing pressures and,
    to a lesser extent, higher costs associated with an upgraded product at
    KeyTek. These decreases were offset in part by the inclusion of
    higher-margin Verifier revenues.
        Selling, general, and administrative expenses as a percentage of
    revenues decreased to 32% in 1995 from 34% in 1994, primarily due to
    lower costs as a percentage of revenues at KeyTek and Universal
    Voltronics as a result of higher sales volume in 1995, and lower selling,
    general, and administrative expenditures as a percentage of revenues at
    Kalmus. Research and development expenses as a percentage of revenues was
    relatively unchanged at 6.5% in 1995, compared with 6.3% in 1994.
        Interest income increased to $2.1 million in 1995 from $1.7 million
    in 1994, primarily due to higher prevailing interest rates in 1995.
    Interest expense was $2.1 million in 1995, compared with $2.2 million in
    1994. The decrease in interest expense resulting from the conversion of
    $9.1 million principal amount of the Company's subordinated convertible
    obligations during 1995 was substantially offset by the inclusion of
    interest expense associated with increased borrowings under Comtest's
    outstanding line of credit.
        The effective tax rate was 21% in 1995 and 25% in 1994. These rates
    were below the statutory federal income tax rate primarily due to the
    utilization of tax net operating loss carryforwards, offset in part by
    the impact of state income taxes. The decrease in the effective tax rate
    in 1995 was due to increased utilization of tax net operating loss
    carryforwards.

    Liquidity and Capital Resources

        Working capital was $40.9 million at December 28, 1996, compared with
    $41.8 million at December 30, 1995. Included in working capital are cash,
    cash equivalents, and available-for-sale investments of $27.9 million at
    December 28, 1996, compared with $34.7 million at December 30, 1995.
    During 1996, $0.5 million of cash was provided by operating activities.
    Cash flow from operations was offset by cash used to fund increases in
    certain current assets, including an increase in accounts receivable of
    $3.6 million, primarily due to an increase in revenues.
        During 1996, the Company's primary investing activities, excluding
    purchases, sales, and maturities of available-for-sale investments,
    included the acquisition of Pacific Power and capital expenditures. In
    July 1996, the Company acquired substantially all of the assets, subject
    to certain liabilities, of Pacific Power for approximately $6.3 million
    in cash, including the repayment of $0.8 million in debt. During 1996,
    the Company expended $2.0 million for purchases of property, plant, and
    equipment, and expects to make capital expenditures of approximately $2
    million during 1997.



                                       28
PAGE
<PAGE>



    Thermo Voltek Corp.                             1996 Financial Statements

                     Management's Discussion and Analysis of
                  Financial Condition and Results of Operations

    Liquidity and Capital Resources (continued)

        During 1996, financing activities provided $0.7 million in cash,
    including $0.5 million from an increase in notes payable.
        Although the Company expects to have positive cash flow from its
    existing operations, the Company anticipates it will require significant
    amounts of cash for the possible acquisition of complementary businesses
    and technologies. The Company expects that it will finance these
    acquisitions through a combination of internal funds, additional debt or
    equity financing, and/or short-term borrowings from Thermo Electron
    Corporation or Thermedics Inc., although there is no agreement with these
    companies to ensure that funds will be available on acceptable terms or
    at all. The Company believes that its existing resources are sufficient
    to meet the capital requirements of its existing operations for the
    foreseeable future.






































                                       29
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<PAGE>



    Thermo Voltek Corp.                             1996 Financial Statements

                           Forward-looking Statements


        In connection with the "safe harbor" provisions of the Private
    Securities Litigation Reform Act of 1995, the Company wishes to caution
    readers that the following important factors, among others, in some cases
    have affected, and in the future could affect, the Company's actual
    results and could cause its actual results in 1997 and beyond to differ
    materially from those expressed in any forward-looking statements made
    by, or on behalf of, the Company.
        Rapid Technological Change. The market for EMC testing products and
    services is characterized by rapid technological change. No assurance can
    be given that the Company will be able to develop new and enhanced
    instruments that keep pace with technological developments and respond to
    the increasingly complex requirements of electronics manufacturers.
        Reliance on Electrical Standards. Demand for the Company's EMC
    testing products and services is driven to a large extent by mandatory
    government standards and voluntary industry standards relating to
    electromagnetic compatibility. In particular, demand for the Company's
    products results from efforts by manufacturers to comply with IEC 801, an
    EC directive that became effective on January 1, 1996. Although many
    manufacturers have not yet complied with IEC 801, as the number of
    noncomplying manufacturers is reduced over time, demand for the Company's
    products could be adversely affected. In addition, if new EMC standards
    requiring new testing capabilities are enacted less frequently or if EMC
    standards become less strict, demand for the Company's products could be
    adversely affected.
        Sole Source Suppliers. A number of the components of the Company's
    EMC testing products are supplied by single vendors. Although the Company
    has not experienced significant difficulty in obtaining adequate supplies
    from these vendors, and believes that it would be able to identify
    alternative suppliers if necessary, there can be no assurance that the
    unanticipated loss of a single vendor would not result in delays in
    shipments or in the introduction of new products.
        International Sales. International sales account for a significant
    portion of the Company's revenues. Sales to customers in certain foreign
    countries are subject to a number of risks, including the following:
    agreements may be difficult to enforce, and receivables difficult to
    collect, through a foreign country's legal system; foreign customers may
    have longer payment cycles; foreign countries could impose withholding
    taxes or otherwise tax the Company's foreign income, impose tariffs,
    embargoes, or exchange controls, or adopt other restrictions on foreign
    trade; and export licenses, if required, may be difficult to obtain. In
    addition, fluctuations in foreign currency exchange rates could have an
    adverse impact on international sales.
        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. Promising acquisitions
    are difficult to identify and complete for a number of reasons, including
    competition among prospective buyers and the need for regulatory
    approval, 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 business. In
    order to finance such acquisitions, it may be necessary for the Company
    to raise additional funds through public or private financings. Any

                                       30
PAGE
<PAGE>



    Thermo Voltek Corp.                             1996 Financial Statements

                           Forward-looking Statements

    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.



















































                                       31
PAGE
<PAGE>



    Thermo Voltek Corp.                             1996 Financial Statements

                         Selected Financial Information

    (In thousands except
    per share amounts)      1996(a)   1995(b)    1994(c)     1993(d)    1992
    ------------------------------------------------------------------------
    Statement of Income
      Data:
    Revenues            $48,507    $36,326    $23,641     $18,089    $12,998
    Net income            4,469      2,672      1,118         480        390
    Earnings per share:
      Primary               .51        .40        .19         .08        .07
      Fully diluted         .38        .28        .17         .08        .07

    Balance Sheet Data:
    Working capital     $40,915    $41,826    $41,990     $42,023    $ 6,482
    Total assets         73,689     68,845     62,224      57,471     16,364
    Long-term
      obligations        19,345     36,740     46,000      46,000      7,500
    Shareholders'
      investment         42,445     20,959      8,472       7,097      6,598

    (a)Reflects the July 1996 acquisition of Pacific Power.
    (b)Reflects the March 1995 acquisition of Kalmus.
    (c)Reflects the July 1994 acquisition of Verifier.
    (d)Reflects the August 1993 acquisition of Comtest, the issuance of a
       $4.0 million principal amount 5% subordinated convertible note to
       Thermedics, and the issuance of $34.5 million principal amount of    
       3 3/4% subordinated convertible debentures.





























                                       32
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<PAGE>



    Thermo Voltek Corp.                             1996 Financial Statements



    Common Stock Market Information
        The following table shows the market range for the Company's common
    stock based on reported sale prices on the American Stock Exchange
    (symbol TVL) for 1996 and 1995. Prices have been restated to reflect a
    three-for-two stock split, effected in the form of a 50% stock dividend,
    distributed in August 1996.

                                    1996                1995
                             ------------------   ----------

                            -                               ------
                Quarter         High       Low      High       Low
                First        $14 1/12 $10  1/4  $ 7  5/6   $ 5 1/4
                Second        15       12 1/12   10  1/2     6 2/3
                Third         14  1/8  10  1/3   11 5/12     9 1/4
                Fourth        14        9  3/4   11 1/12     9 2/3

        As of January 24, 1997, the Company had 334 holders of record of its
    common stock. This does not include holdings in street or nominee names.
    The closing market price on the American Stock Exchange for the Company's
    common stock on January 24, 1997, was $12 per share.

    Shareholder Services
        Shareholders of Thermo Voltek Corp. who desire information about the
    Company are invited to contact John N. Hatsopoulos, Chief Financial
    Officer, Thermo Voltek Corp., 81 Wyman Street, P.O. Box 9046, Waltham,
    Massachusetts 02254-9046, (617) 622-1111. A mailing list is maintained to
    enable shareholders whose stock is held in street name, and other
    interested individuals, to receive quarterly reports, annual reports, and
    press releases as quickly as possible. Beginning in 1997, quarterly
    distribution will be limited to the second quarter report only. All
    quarterly reports and press releases are available through the Internet
    from Thermo Electron's home page on the World Wide Web (http://www.
    thermo.com/subsid/tvl.html).

    Stock Transfer Agent
        American Stock Transfer & Trust Company is the stock transfer agent
    and maintains shareholder activity records. The agent will respond to
    questions on issuance of stock certificates, change of ownership, lost
    stock certificates, and change of address. For these and similar matters,
    please direct inquiries to:

        American Stock Transfer & Trust Company
        Shareholder Services Department
        40 Wall Street, 46th Floor
        New York, New York 10005
        (718) 921-8200

    Dividend Policy
        The Company has never paid cash dividends and does not expect to pay
    cash dividends in the foreseeable future because its policy has been to
    use earnings to finance expansion and growth. Payment of dividends will
    rest within the discretion of the Board of Directors and will depend
    upon, among other factors, earnings, capital requirements, and financial
    condition.


                                       33
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<PAGE>



    Thermo Voltek Corp.                             1996 Financial Statements



    Form 10-K Report
        A copy of the Annual Report on Form 10-K for the fiscal year ended
    December 28, 1996, as filed with the Securities and Exchange Commission,
    may be obtained at no charge by writing to John N. Hatsopoulos, Chief
    Financial Officer, Thermo Voltek Corp., 81 Wyman Street, P.O. Box 9046,
    Waltham, Massachusetts 02254-9046.

    Annual Meeting
        The annual meeting of shareholders will be held on Monday, June 2,
    1997, at 1:30 p.m., at the Hyatt Regency Hotel, Hilton Head, South
    Carolina.











































                                       34
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    Thermo Voltek Corp.                             1996 Financial Statements
























































                                                                   Exhibit 21


                               THERMO VOLTEK CORP.

                         Subsidiaries of the Registrant


    At February 28, 1997, the Registrant owned the following companies:

                                     State or Jurisdiction     Registrant's %
    Name                                of Incorporation        of Ownership
    ------------------------------------------------------------------------

    Comtest Europe B.V.                  The Netherlands            100%

      Comtest Instrumentation, B.V.      The Netherlands            100%

      Comtest Italia S.R.L.                   Italy                 100%

      Comtest Limited                     United Kingdom            100%

    TVL Securities Corporation               Delaware               100%

    UVC Realty Corp.                         New York               100%





                                                                   Exhibit 23


                    Consent of Independent Public Accountants
                    -----------------------------------------


         As independent public accountants, we hereby consent to the
    incorporation by reference of our reports dated February 6, 1997,
    included in or incorporated by reference into Thermo Voltek Corp.'s
    Annual Report on Form 10-K for the year ended December 28, 1996, into the
    Company's previously filed Registration Statements as follows:
    Registration Statement No. 33-74484 on Form S-3, Registration Statement
    No. 33-52802 on Form S-8, Registration Statement No. 33-71780 on Form
    S-8, Registration Statement No. 33-70646 on Form S-8, Registration
    Statement No. 33-71782 on Form S-8, Registration Statement No. 33-71784
    on Form S-8, Registration Statement No. 33-85954 on Form S-8, and
    Registration Statement No. 033-65277 on Form S-8.



                                                 Arthur Andersen LLP



    Boston, Massachusetts
    March 14, 1997


<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THERM VOLTEK
CORPORATION'S ANNUAL REPORT ON FORM 10-K FOR THE YEAR ENDED DECEMBER 28, 1996
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-28-1996
<PERIOD-END>                               DEC-28-1996
<CASH>                                          17,874
<SECURITIES>                                    10,067
<RECEIVABLES>                                   12,710
<ALLOWANCES>                                       587
<INVENTORY>                                     10,725
<CURRENT-ASSETS>                                52,814
<PP&E>                                           9,739
<DEPRECIATION>                                   5,588
<TOTAL-ASSETS>                                  73,689
<CURRENT-LIABILITIES>                           11,899
<BONDS>                                          9,345
                                0
                                          0
<COMMON>                                           488
<OTHER-SE>                                      41,957
<TOTAL-LIABILITY-AND-EQUITY>                    73,689
<SALES>                                         48,507
<TOTAL-REVENUES>                                48,507
<CGS>                                           24,357
<TOTAL-COSTS>                                   24,357
<OTHER-EXPENSES>                                 3,618
<LOSS-PROVISION>                                   103
<INTEREST-EXPENSE>                               1,408
<INCOME-PRETAX>                                  6,009
<INCOME-TAX>                                     1,540
<INCOME-CONTINUING>                              4,469
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
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<NET-INCOME>                                     4,469
<EPS-PRIMARY>                                      .51
<EPS-DILUTED>                                      .38
        


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