THERMOLASE CORP
8-K, 1999-12-17
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                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

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


                                    FORM 8-K


                                 CURRENT REPORT

                       Pursuant to Section 13 or 15(d) of
                       the Securities Exchange Act of 1934



                                 Date of Report
                       (Date of earliest event reported):

                                December 14, 1999

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


                             THERMOLASE CORPORATION
             (Exact name of Registrant as specified in its charter)


Delaware                        1-13104                          06-1360302
(State or other               (Commission                   (I.R.S. Employer
jurisdiction of               File Number)               Identification Number)
incorporation or
organization)


2055-C Luna Road
Carrollton, Texas                                                   75006
(Address of principal executive offices)                         (Zip Code)


                                (781) 622-1000
                         (Registrant's telephone number
                              including area code)



<PAGE>




      This Form 8-K contains forward-looking statements that involve a number of
risks and  uncertainties.  Important  factors that could cause actual results to
differ  materially from those indicated by such  forward-looking  statements are
set forth  under the  heading  "Forward-looking  Statements"  in  Exhibit  13 to
ThermoLase  Corporation's  Annual Report on Form 10-K for the year ended October
3, 1998.  These include risks and  uncertainties  relating to: recent  operating
losses  of  the  Registrant;   difficulty  in  retaining  qualified  management;
potential  for  customer   claims  and  insurance;   need  to  comply  with  FDA
regulations; compliance with state and foreign regulations; intense competition;
and  the  potential  impact  of  the  year  2000  on  processing  date-sensitive
information.

Item 5.     Other Events

      On December 17, 1999, the Registrant  issued a press release  stating that
it has entered into a definitive  agreement and plan of merger with its ultimate
parent corporation, Thermo Electron Corporation ("Thermo Electron"), under which
Thermo  Electron  would acquire all of the  outstanding  common stock,  $.01 par
value per share (the "Common Stock"), held by the stockholders of the Registrant
other than Thermo  Electron and its  affiliates in exchange for shares of Thermo
Electron's  common stock (the "TMO Common  Stock").  The  Registrant's  board of
directors approved the merger agreement based on a recommendation of its special
committee, which was charged with representing the interests of the Registrant's
public shareholders.

      Under the agreement, the number of shares of TMO Common Stock to be issued
to the Registrant's  public shareholders will be determined at the completion of
the merger (the "effective date"), as described below.

      o If the average  closing price of TMO Common Stock is between $11.925 and
      $17.887 for the 20 trading days prior to the effective date of the merger,
      a preliminary  exchange ratio of 0.158 shares of TMO Common Stock for each
      share  of  Common  Stock  would  be  adjusted  on the  effective  date  by
      multiplying  the  0.158 by a  fraction  of which  the  numerator  would be
      $14.906 (the average  per-share  closing price of TMO Common Stock for the
      20 trading days ended  December 13,  1999),  and of which the  denominator
      would be the average  per-share  closing price of TMO Common Stock for the
      20 trading days ending on the day before the effective date.

      o If the average closing price of TMO Common Stock for the 20 trading days
      prior to the effective date is below $11.925,  the exchange ratio would be
      fixed at 0.198 shares of TMO Common Stock per share of Common Stock.

      o If the average closing price of TMO Common Stock for the 20 trading days
      prior to the effective date is above $17.887,  the exchange ratio would be
      fixed at 0.132 shares of TMO Common Stock per share of Common Stock.

     In  addition,  under  the  agreement,  units of the  Registrant  (currently
consisting  of one  share of  Common  Stock  coupled  with the right to have the
Registrant  redeem  that share for $20.25 in April  2001)  would be  modified so
that, following the merger, each unit would consist of a fractional share of TMO
Common Stock, (in an amount determined using the exchange ratio), which would be
redeemable  in April 2001 for  $20.25.  The cash value of the  redemption  right
would remain constant before and after the merger.
<PAGE>

      Any shares of TMO Common  Stock  issued  pursuant to the merger  agreement
would be offered only by means of a prospectus.

       The Registrant expects that the necessary filings with the Securities and
Exchange  Commission (the "SEC") will be made shortly,  and that proxy materials
for a special meeting will be mailed to stockholders of the Registrant  promptly
after completion of SEC review. The completion of this transaction is subject to
certain customary  conditions,  including completion of review by the SEC of the
registration statement regarding the proposed transaction.  A copy of the merger
agreement  is  filed  as  an  exhibit  hereto.   Thermo  Electron,   which  owns
approximately 13.91% of the Common Stock, and ThermoTrex Corporation, which owns
approximately  71.06% of the Common Stock, intend to vote all of their shares of
Common  Stock in favor of  approval  of the  merger  agreement  and,  therefore,
stockholder approval is assured. The transaction is expected to close during the
second  calendar  quarter of 2000.  Following  the merger,  the shares of Common
Stock would cease to be publicly traded.

Item 7.     Financial Statements, Pro Forma Financial Information and Exhibits

      (a)    Financial Statements of Business Acquired: not applicable.

      (b)   Pro Forma Financial Information: not applicable.

      (c)   Exhibits:

                   2.1  Agreement  and Plan of Merger  dated as of December  14,
            1999  by  and  among   Thermo   Electron   Corporation,   ThermoLase
            Acquisition Corporation and ThermoLase Corporation.

<PAGE>



                                    SIGNATURE



      Pursuant to the  requirements 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, on this 17th day of December, 1999.



                                   THERMOLASE CORPORATION


                                   By:  /s/ Theo Melas-Kyriazi
                                        ---------------------------------
                                        Theo Melas-Kyriazi
                                        Chief Financial Officer







                                                                     Exhibit 2.1









                          AGREEMENT AND PLAN OF MERGER

                                  BY AND AMONG

                           THERMO ELECTRON CORPORATION

                       THERMOLASE ACQUISITION CORPORATION

                                       AND

                             THERMOLASE CORPORATION



                          DATED AS OF DECEMBER 14, 1999



<PAGE>


                          AGREEMENT AND PLAN OF MERGER


      This AGREEMENT AND PLAN OF MERGER (the  "Agreement")  dated as of December
14, 1999 is by and among Thermo  Electron  Corporation  ("Thermo  Electron"),  a
Delaware  corporation,  ThermoLase  Acquisition  Corporation  ("Merger  Sub"), a
Delaware  corporation  and a wholly-owned  subsidiary of ThermoTrex  Acquisition
Corporation  which in turn is a wholly owned subsidiary of Thermo Electron,  and
ThermoLase Corporation (the "Company"), a Delaware corporation.

                                    RECITALS

      A. Thermo Electron owns approximately  13.91%, and ThermoTrex  Corporation
("ThermoTrex"),  a Delaware  corporation and majority owned subsidiary of Thermo
Electron,  owns approximately 71.06%, of the outstanding shares of common stock,
par value $.01 per share,  of the Company  (the  "Company  Common  Stock"),  and
Thermo Electron  desires to acquire all of the remaining  outstanding  shares of
Company Common Stock.

      B. Thermo  Electron  has formed the Merger Sub as an  indirect  subsidiary
with the intent of causing it to merge with the  Company,  as  described in this
Agreement.

      C. Upon the terms and subject to the  conditions of this  Agreement and in
accordance  with the  Delaware  General  Corporation  Law (the  "DGCL"),  Thermo
Electron  and the  Company  will enter into a business  combination  transaction
pursuant  to which  Merger  Sub will  merge  with  and  into  the  Company  (the
"Merger").

      D. The Board of Directors of Thermo  Electron (i) has determined  that the
Merger is consistent with and in furtherance of the long-term  business strategy
of Thermo  Electron  and is in the best  interests  of Thermo  Electron  and its
stockholders,  and (ii) has approved  this  Agreement,  the Merger and the other
transactions contemplated by this Agreement.

      E. The Board of  Directors  of the  Company,  on the  recommendation  of a
special  committee  of  the  Board  of  Directors  (the  "Special   Committee"),
consisting  of two directors of the Company who are not  employees,  officers or
directors of Thermo Electron and its subsidiaries (other than the Company),  and
who are not officers or employees of the Company,  (i) has determined  that this
Agreement, including the Exchange Ratio (as defined below), and the transactions
contemplated  by this  Agreement,  are fair to the  stockholders  of the Company
(other than Thermo Electron and ThermoTrex) from a financial point of view, (ii)
has approved and declared the advisability of this Agreement, the Merger and the
other  transactions  contemplated  by this  Agreement  and (iii) has resolved to
recommend the approval and adoption of this Agreement by the stockholders of the
Company.

      F. Stonebridge  Associates LLC (the "Financial  Advisor") has delivered to
the Special  Committee,  for its consideration and for inclusion in its entirety
in the Proxy  Statement  to be  delivered  to the  stockholders  of the  Company
relating  to the  Merger,  its  written  opinion  that,  subject to the  various
assumptions and  limitations  set forth therein,  as of the date of such opinion
the  consideration to be received by the stockholders of the Company (other than
Thermo  Electron and ThermoTrex) is fair to such  stockholders  from a financial
point of view.

                                       1
<PAGE>


      G. Thermo  Electron,  the  Company  and Merger Sub desire to make  certain
representations  and  warranties  and other  agreements in  connection  with the
Merger.

      NOW,   THEREFORE,   in  consideration  of  the  covenants,   promises  and
representations set forth herein, and for other good and valuable consideration,
the receipt and sufficiency of which are hereby acknowledged,  the parties agree
as follows:


                                    ARTICLE I
                                   THE MERGER

      1.1.  The Merger.  At the  Effective  Time (as defined in Section 1.2) and
subject  to and  upon  the  terms  and  conditions  of  this  Agreement  and the
applicable  provisions of the DGCL, Merger Sub shall be merged with and into the
Company,  the  separate  corporate  existence  of Merger Sub shall cease and the
Company  shall  continue  as  the  surviving  corporation.  The  Company  as the
surviving  corporation after the Merger is hereinafter  sometimes referred to as
the "Surviving Corporation."

      1.2. Effective Time; Closing. Subject to the provisions of this Agreement,
the Surviving  Corporation  shall cause the Merger to be consummated by filing a
Certificate of Merger (the  "Certificate of Merger") with the Secretary of State
of the State of Delaware in accordance with the relevant  provisions of the DGCL
(the time of such filing,  or such later time as may be agreed in writing by the
parties and specified in the Certificate of Merger,  being the "Effective  Time"
and the date on which the Effective Time occurs being the  "Effective  Date") as
early as practicable on the Closing Date (as herein defined). Unless the context
otherwise  requires,  the term "Agreement" as used herein refers collectively to
this  Agreement and the  Certificate  of Merger.  The closing of the Merger (the
"Closing")  shall take place at the  executive  offices of Thermo  Electron at a
time and date to be specified  by the parties,  which shall be no later than the
tenth business day after the  satisfaction or waiver of the conditions set forth
in Article VI, or at such other time,  date and  location as the parties  hereto
agree in writing (the  "Closing  Date").  At the Closing,  (i) the Company shall
deliver to Thermo Electron the various  certificates  and  instruments  required
under  Article  VI,  (ii) Thermo  Electron  and Merger Sub shall  deliver to the
Company the various  certificates and instruments  required under Article VI and
(iii) the  Company  shall  execute and file the  Certificate  of Merger with the
Secretary of State of the State of Delaware,  in accordance  with the applicable
provisions of the DGCL.

      1.3. Effect of the Merger. At the Effective Time, the effect of the Merger
shall be as provided in this  Agreement  and the  applicable  provisions  of the
DGCL. Without limiting the generality of the foregoing,  and subject thereto, at
the Effective Time all the property, rights,  privileges,  powers and franchises
of the Company and Merger Sub shall vest in the Surviving  Corporation,  and all
debts,  liabilities  and duties of the Company  and Merger Sub shall  become the
debts, liabilities and duties of the Surviving Corporation.


                                       2
<PAGE>



      1.4.  Certificate of Incorporation; Bylaws.

            (a)  Subject to the  requirements  of Section  5.10  hereof,  at the
Effective  Time, the  Certificate of  Incorporation  of Merger Sub, as in effect
immediately   prior  to  the  Effective  Time,   shall  be  the  Certificate  of
Incorporation of the Surviving  Corporation until thereafter amended as provided
by law and such Certificate of Incorporation.

            (b) Subject to the  requirements of Section 5.10 hereof,  the Bylaws
of Merger Sub, as in effect  immediately  prior to the Effective Time, shall be,
at the Effective Time, the Bylaws of the Surviving  Corporation until thereafter
amended.

      1.5.  Directors  and Officers.  The  directors of the Company  immediately
prior to the  Effective  Time shall be the initial  directors  of the  Surviving
Corporation,  to serve until their  respective  successors  are duly  elected or
appointed and qualified.  The officers of the Company  immediately  prior to the
Effective  Time shall be the  officers of the  Surviving  Corporation,  to serve
until their successors are duly elected or appointed and qualified.

      1.6.  Effect on Capital  Stock.  At the  Effective  Time, by virtue of the
Merger and  without  any action on the part of Merger  Sub,  the  Company or the
holders of any of the following securities:

            (a)   Exchange of the Company Common Stock and Units.

                  (i)    Subject  to the  balance  of  this  Section  1.6  and
                        Section  1.11  hereof,  each  issued  and  outstanding
                        share of Company  Common  Stock  (other than shares to
                        be canceled in  accordance  with Section  1.6(e),  and
                        other than  shares of  Company  Common  Stock  coupled
                        with the right to have the  Company  redeem such share
                        of Common Stock for $20.25 per share  between April 3,
                        2001  and  April  30,  2001  (the  "Units"))  will  be
                        automatically  converted  into the  right  to  receive
                        that  number  of  validly   issued,   fully  paid  and
                        nonassessable  shares of the common  stock,  $1.00 par
                        value,   of  Thermo   Electron  (the  "Thermo   Common
                        Stock"),  equal to the Exchange  Ratio,  determined as
                        set  forth  in  Section  1.6(f).  Subject  to  Section
                        1.6(a)(ii)  below,  as  of  the  Effective  Time,  all
                        shares  of  Company  Common  Stock  shall no longer be
                        outstanding  and shall be  automatically  canceled and
                        retired and shall  cease to exist,  and each holder of
                        a certificate  representing any such shares of Company
                        Common  Stock  shall  cease  to have any  rights  with
                        respect  thereto,  except  the  right to  receive  the
                        Stock  Merger  Consideration  (as  defined  in Section
                        1.7(b))   upon    surrender    of   the    certificate
                        representing  such shares of Company  Common  Stock in
                        the manner  provided in Section 1.7 (or in the case of
                        a  lost,   stolen  or  destroyed   certificate,   upon
                        delivery of an  affidavit  (and bond,  if required) in
                        the manner provided in Section 1.9).

                                       3
<PAGE>


                  (ii)   At the Effective  Time,  each issued and  outstanding
                        Unit will  continue  to have,  and be subject  to, the
                        same  terms  and  conditions  applicable  to the Units
                        immediately  prior to the Effective Time,  except that
                        each share of Company  Common  Stock  included as part
                        of the Unit will be automatically  converted into that
                        number   of   validly    issued,    fully   paid   and
                        nonassessable  shares of Thermo  Common Stock equal to
                        one share times the Exchange Ratio,  determined as set
                        forth  in  Section   1.6(f),   and  except   that  the
                        redemption  right  associated  with the Thermo  Common
                        Stock  issued to the Unit holder shall be the right to
                        have Thermo  Electron  redeem such Thermo Common Stock
                        for  cash in an  amount  per  whole  share  of  Thermo
                        Common  Stock  included in such Unit or Units equal to
                        $20.25  divided by the  Exchange  Ratio.  Each Unit of
                        Thermo   Common  Stock   ("Thermo   Units")  shall  be
                        comprised  of the  fractional  share of Thermo  Common
                        Stock  determined  as set  forth  in  Section  1.6(f),
                        coupled with the  redemption  right  described  above.
                        Holders of  fractional  shares of Thermo  Common Stock
                        included  in the  Thermo  Units  shall have all of the
                        rights of  holders  of whole  shares of Thermo  Common
                        Stock   except   that  the  rights   associated   with
                        fractional  shares shall be proportional  based on the
                        fraction of a share owned by such  holders,  including
                        without  limitation  with  respect  to voting  rights,
                        dividends,  and  distributions  with  respect  to such
                        fractional  shares.  As of  the  Effective  Time,  all
                        Units  shall no  longer  be  outstanding  and shall be
                        automatically  canceled and retired and shall cease to
                        exist,  and each holder of a certificate  representing
                        any Units shall cease to have any rights with  respect
                        thereto,  except the right to receive  the Unit Merger
                        Consideration  (as  defined  in Section  1.7(b))  upon
                        surrender of the certificate  representing  such Units
                        in the manner  provided in Section 1.7 (or in the case
                        of a  lost,  stolen  or  destroyed  certificate,  upon
                        delivery of an  affidavit  (and bond,  if required) in
                        the manner provided in Section 1.9).

            (b) Stock Option Plans. All options to purchase Company Common Stock
outstanding  immediately  prior to the  Effective  Time under stock option plans
maintained by the Company (the "Company Stock Option Plans"), shall be converted
into  options to purchase  Thermo  Common Stock in  accordance  with Section 5.8
hereof.

            (c) Convertible Debentures.  All Company convertible debentures (the
"Convertible  Debentures") issued pursuant to a Fiscal Agency Agreement dated as
of August 12, 1997 by and among the Company,  Thermo Electron, and Bankers Trust
Company,  as Fiscal Agent,  outstanding  at the Effective  Time shall remain the
Convertible Debentures of the Company, provided however, that in lieu of Company
Common Stock being  issuable  upon  conversion of such  Convertible  Debentures,
after the Effective Time,  Thermo Common Stock shall be issuable upon conversion
of such Convertible Debentures in accordance with the terms of the Fiscal Agency
Agreement. At the Effective Time, the price at which Convertible Debentures then
outstanding  will be  convertible  into Thermo Common Stock shall be adjusted in
accordance with the terms of the Fiscal Agency Agreement.

                                       4
<PAGE>

            (d) Capital Stock of Merger Sub. At the Effective  Time,  each share
of common stock,  par value $.01 per share, of Merger Sub issued and outstanding
immediately  prior to the Effective  Time shall be converted into and become one
validly issued,  fully paid and non-assessable  share of common stock, par value
$.01 per share, of the Surviving Corporation.

            (e) Treasury  Stock;  Stock Held By Thermo  Electron and ThermoTrex.
Notwithstanding  any other  provision of this  Agreement,  each share of Company
Common Stock issued and outstanding and owned by Thermo Electron,  ThermoTrex or
any wholly-owned  subsidiary of Thermo Electron,  together with all shares owned
by the Company or any wholly-owned  subsidiary of the Company  immediately prior
to the Effective Time shall cease to be outstanding,  and shall automatically be
cancelled and retired without  payment of any  consideration  therefor,  cash or
otherwise, and cease to exist.

            (f)  Determination  and Adjustment of Exchange  Ratio.  The Exchange
Ratio shall be determined as follows:

            The "Exchange  Ratio" means the product  obtained by multiplying (x)
 .158 by (y) the  quotient  obtained by dividing  $14.906 by the Average  Closing
Price and rounding to the nearest 1/10,000;  provided, however that in the event
that the Average  Closing Price is less than  $11.925,  or greater than $17.887,
then  the  Exchange  Ratio  shall  be set at .198 and  .132,  respectively.  The
"Average  Closing  Price"  shall be an  amount  equal to the  average  per share
closing  price  of  Thermo  Common  Stock,  as  reported  on  the   consolidated
transaction reporting system for the 20 trading days ending with the trading day
immediately preceding the Effective Date.

            The Exchange  Ratio shall be adjusted to reflect fully the effect of
any stock split,  reverse stock split, stock dividend (including any dividend or
distribution of securities convertible into, or exercisable or exchangeable for,
Company   Common  Stock  or  Thermo   Common   Stock,   as  the  case  may  be),
recapitalization  or other like change  without  receipt of  consideration  with
respect to either the Company Common Stock or the Thermo Common Stock  occurring
on or after the date hereof and prior to the Effective Time.

      1.7.  Surrender of Certificates.

            (a) Exchange  Agent.  Prior to the Effective  Time,  Thermo Electron
shall  authorize  Boston  Equiserve to act as the exchange  agent (the "Exchange
Agent") in the Merger. Immediately following the Effective Time, Thermo Electron
shall deposit with the Exchange Agent,  for the benefit of the holders of shares
of  Company  Common  Stock  and  Units,  for  exchange  in  accordance  with the
provisions  of this Article I,  certificates  representing  the shares of Thermo
Common Stock and Thermo Units  issuable  pursuant to this  Agreement in exchange
for  certificates  representing  outstanding  shares of Company Common Stock and
outstanding Units, and cash sufficient to make payments pursuant to Section 1.11
for fractional  shares of Thermo Common Stock and fractional  Thermo Units.  The
Thermo Common Stock and Thermo Units into which  Company  Common Stock and Units
shall be converted pursuant to the Merger shall be deemed to have been issued at
the Effective Time.

                                       5
<PAGE>

            (b) Exchange  Procedures.  As soon as practicable  after,  and in no
event more than five business days after,  the Effective  Time,  Thermo Electron
shall  cause the  Exchange  Agent to mail to each  holder  of record  (as of the
Effective  Time)  of a  certificate  (a  "Certificate"  or  the  "Certificates")
representing  Company Common Stock or Units (i) a letter of  transmittal  (which
shall specify that delivery shall be effected, and risk of loss and title to the
Certificates  shall pass, only upon delivery of the Certificates to the Exchange
Agent and shall  otherwise  be in such form and have such  other  provisions  as
Thermo Electron may reasonably  specify and as are reasonably  acceptable to the
Company) and (ii)  instructions  for effecting the exchange of the  Certificates
for certificates  representing shares of Thermo Common Stock or Thermo Units, as
the case may be,  as  provided  herein.  Upon  surrender  of a  Certificate  for
cancellation  to the Exchange  Agent,  together with such letter of  transmittal
duly completed and validly executed in accordance with the instructions thereto,
the holders of Company Common Stock (excluding  Company Common Stock included in
any Units) shall be entitled to receive in exchange for their Certificates,  (x)
subject to Section  1.11, a  certificate  representing  shares of Thermo  Common
Stock equal to the Exchange Ratio  multiplied by the number of shares of Company
Common  Stock  represented  by such  Certificate,  (y) any  dividends  or  other
distributions to which such holder is entitled  pursuant to Section 1.10 hereof,
and (z) a check issued pursuant to Section 1.11 hereof for any fractional  share
of Thermo Common Stock (the consideration  specified in clauses (x), (y) and (z)
above  are   referred   to   herein,   collectively,   as  the   "Stock   Merger
Consideration"),   and  the  Certificate  so  surrendered   shall  forthwith  be
cancelled;  and holders of Units  shall be  entitled to receive in exchange  for
their Certificates, (I) subject to Section 1.11, Thermo Units in an amount equal
to the Exchange  Ratio  multiplied  by the number of Units  represented  by such
Certificate,  and (II) any dividends or other distributions to which such holder
is entitled  pursuant to Section 1.10 hereof.  (the  consideration  specified in
clauses (I) and (II) above are  referred to herein,  collectively,  as the "Unit
Merger  Consideration"),  and the Certificate so surrendered  shall forthwith be
cancelled. The term "Merger Consideration" means, collectively, the Stock Merger
Consideration and the Unit Merger  Consideration.  In the event of a transfer of
ownership of shares of Company  Common Stock or Units which is not registered in
the transfer  records of the Company as of the Effective  Time, the Stock Merger
Consideration  or the Unit  Merger  Consideration,  as the  case may be,  may be
delivered in accordance  with this Article I to a transferee if the  Certificate
evidencing such shares or Units is presented to the Exchange Agent,  accompanied
by all documents  required by law to evidence and effect such transfer  pursuant
to this Section.  Until so surrendered,  each  outstanding  Certificate  will be
deemed  from and  after the  Effective  Time,  for all  corporate  purposes,  to
evidence  only the right to receive the Stock Merger  Consideration  or the Unit
Merger Consideration, as the case may be.

            (c) Transfers of Ownership.  If payment of the Merger  Consideration
is to be made to any person other than the person in whose name the  Certificate
surrendered in exchange  therefor is registered,  it will be a condition of such
payment  that the  Certificate  so  surrendered  will be properly  endorsed  and
otherwise  in proper  form for  transfer  and that the  person  requesting  such
payment  will have paid to Thermo  Electron  or any agent  designated  by it any
transfer or other taxes required by reason of payment to a person other than the
registered  holder  of  the  Certificate  surrendered,  or  established  to  the
reasonable  satisfaction of Thermo  Electron or any agent  designated by it that
such tax has been paid or is not payable.

                                       6
<PAGE>

            (d) No Liability.  Notwithstanding  anything to the contrary in this
Section  1.7,  neither  the  Exchange  Agent,  Thermo  Electron,  the  Surviving
Corporation  nor any  party  hereto  shall be  liable  to a holder  of shares of
Company Common Stock or Units for any amount  properly paid to a public official
pursuant to any applicable abandoned property, escheat or similar law.

            (e)  Responsibility;  Term.  During the term of its engagement,  the
Exchange Agent shall be responsible  for  delivering  certificates  representing
Thermo  Common Stock or Thermo Units and the other Merger  Consideration  to the
holders of properly  endorsed  Certificates  that are  returned to the  Exchange
Agent.  Promptly following the date that is six months after the Effective Date,
the Exchange  Agent shall,  upon request by Thermo  Electron,  deliver to Thermo
Electron all cash, cancelled Certificates,  certificates  representing shares of
Thermo  Common  Stock and Thermo  Units and other  documents  in its  possession
relating to the  transactions  described  in this  Agreement,  and the  Exchange
Agent's  duties  shall  terminate.  Thereafter,  each  holder  of a  Certificate
formerly representing shares of Company Common Stock or Units may surrender such
Certificate to Thermo  Electron and (subject to applicable  abandoned  property,
escheat and similar laws) receive in exchange therefor the Merger  Consideration
represented by such Certificate, without any interest thereon.

      1.8. No Further  Ownership  Rights in Company  Common Stock or Units.  The
Thermo  Common  Stock or Thermo  Units,  as the case may be,  and cash,  if any,
delivered to the holders of Company  Common Stock or Units upon the surrender of
shares of Company  Common  Stock or Units in  accordance  with the terms  hereof
shall be  deemed to have  been  delivered  in full  satisfaction  of all  rights
pertaining to such shares of Company Common Stock or Units.

      1.9. Lost, Stolen or Destroyed Certificates. In the event any Certificates
shall have been lost, stolen or destroyed,  the Exchange Agent shall deliver the
certificates  representing  Thermo Common Stock or Thermo Units, as the case may
be, and the other  Merger  Consideration  in  respect  of such  lost,  stolen or
destroyed  Certificates,  upon the  making of an  affidavit  of that fact by the
holder thereof; provided, however, that, as a condition precedent to the payment
thereof, the owner of such lost, stolen or destroyed  Certificates shall deliver
a bond in such sum as Thermo  Electron  or the  Exchange  Agent  may  reasonably
direct as indemnity  against any claim that may be made against Thermo  Electron
or the  Exchange  Agent with  respect to the  Certificates  alleged to have been
lost,  stolen or destroyed,  unless Thermo Electron  waives such  requirement in
writing.

      1.10.  Dividends.  No dividends or other distributions that are payable to
the holders of record of Thermo  Common Stock or Thermo Units as of a date on or
after the Effective Time shall be paid to the holders of Company Common Stock or
Units  entitled by reason of the Merger to receive Thermo Common Stock or Thermo
Units, as the case may be, until such holders  surrender  their  Certificates in
accordance  with  Section  1.7(b) or  provide  an  affidavit  and  indemnity  in
accordance with Section 1.9. Upon such  surrender,  the Exchange Agent or Thermo
Electron (in the event that the Exchange Agent's term has expired), shall pay or
deliver to the persons in whose name the certificates  representing  such Thermo
Common Stock or Thermo  Units,  as the case may be, are issued any  dividends or
other  distributions  that are payable to the holders of record of Thermo Common


                                       7
<PAGE>

Stock or Thermo Units as of a date on or after the Effective Time and which were
paid or delivered  between the  Effective  Time and the time of such  surrender;
provided  that no such person  shall be entitled to receive any interest on such
dividends or other distributions (except as expressly provided in any securities
or other property that may be so dividended or distributed).

      1.11. Fractional Shares. No certificates or scrip representing  fractional
shares of Thermo Common Stock shall be issued to holders of Company Common Stock
upon the surrender for exchange of  Certificates,  and such holders shall not be
entitled to any voting rights,  rights to receive any dividends or distributions
or other  rights  as a  stockholder  of  Thermo  Electron  with  respect  to any
fractional  shares of Thermo Common Stock that would otherwise be issued to such
holders.  In lieu of any  fractional  shares of Thermo  Common  Stock that would
otherwise  be issued,  each holder of Company  Common Stock that would have been
entitled to receive a fractional share of Thermo Common Stock shall, upon proper
surrender of such person's  Certificates,  receive a cash payment (rounded up to
the nearest  cent) equal to the closing  price per share of Thermo Common Stock,
as reported in the consolidated  transaction reporting system on the trading day
immediately  preceding the Closing  Date,  multiplied by the fraction of a share
that such holder would  otherwise be entitled to receive.  Fractional  shares of
Thermo Common Stock may be issued to holders of Units.

      1.12. Closing of Transfer Books. At the Effective Time, the stock transfer
books of the Company shall be closed and no transfer of Company  Common Stock or
Units shall  thereafter be made. If, after the Effective Time,  Certificates are
presented to Thermo  Electron,  they shall be canceled and  exchanged for Merger
Consideration in accordance with Article I.

      1.13.  Taking of Necessary Action;  Further Action.  If, at any time after
the Effective  Time,  any further  action is necessary or desirable to carry out
the purposes of this Agreement and to vest the Surviving  Corporation  with full
right, title and possession to all assets, property, rights, privileges,  powers
and  franchises of the Company and Merger Sub, the officers and directors of the
Surviving Corporation are fully authorized in the name of the Company and Merger
Sub or otherwise to take, and will take,  all such lawful and necessary  action,
so long as such action is consistent with this Agreement.

                                   ARTICLE II
                  REPRESENTATIONS AND WARRANTIES OF THE COMPANY

      The Company  represents and warrants to Thermo  Electron and Merger Sub as
follows:

      2.1. Organization of the Company. The Company and each of its subsidiaries
is a corporation or other legal entity duly organized,  validly  existing and in
good  standing  under  the  laws of the  jurisdiction  of its  incorporation  or
organization,  has the corporate or similar power to own,  lease and operate its
property and to carry on its business as now being  conducted and as proposed by
the Company to be  conducted,  and is duly  qualified to do business and in good
standing as a foreign  corporation or other legal entity in each jurisdiction in
which the failure to be so qualified would have a Material Adverse Effect on the
Company. In this Agreement, the term "Material Adverse Effect" used in reference
to the  Company  means any  event,  change or effect,  that is or is  reasonably
likely to be,  individually  or in the aggregate  with other events,  changes or
effects,  materially adverse to the financial  condition,  assets,  liabilities,
results of operations or business of the Company and its subsidiaries,  taken as
a whole.

                                       8
<PAGE>

      2.2.  Company  Capital  Structure.  The  authorized  capital  stock of the
Company  consists  of  100,000,000  shares of Common  Stock,  par value $.01 per
share,  of which  there were  39,347,996  shares  issued and  outstanding  as of
October  31,  1999  (including   2,000,000  shares  that  are  included  in  the
outstanding Units), and 1,481,136 shares in treasury.  All outstanding shares of
Company  Common  Stock  are duly  authorized,  validly  issued,  fully  paid and
non-assessable and are not subject to preemptive rights created by statute,  the
Certificate  of  Incorporation  or Bylaws of the  Company  or any  agreement  or
document to which the Company is a party or by which it is bound.  As of October
27,  1999,  an aggregate of 2,985,320  shares of Company  Common  Stock,  net of
exercises, were reserved for issuance to employees, consultants and non-employee
directors  pursuant to Company  Stock  Option  Plans,  under which  options were
outstanding for an aggregate of 1,642,283  shares as of such date. As of October
27, 1999,  6,614,897  shares of Company  Common Stock were reserved for issuance
upon the conversion of the Convertible  Debentures and 100,000 shares of Company
Common Stock were  reserved for issuance  under the Company  Directors  Deferred
Compensation  Plan.  All shares of Company  Common Stock  subject to issuance as
aforesaid,   upon  issuance  on  the  terms  and  conditions  specified  in  the
instruments  pursuant  to which  they are  issuable,  would be duly  authorized,
validly issued, fully paid and non-assessable.

      2.3.  Authority.

            (a) The Company has all requisite  corporate  power and authority to
enter  into this  Agreement  and to  consummate  the  transactions  contemplated
hereby. The execution and delivery of this Agreement and the consummation of the
transactions  contemplated  hereby have been duly  authorized  by all  necessary
corporate  action on the part of the  Company,  subject  only to the adoption of
this  Agreement by the Company's  stockholders  by the  affirmative  vote of the
holders of a majority of the  outstanding  shares of Company  Common  Stock (the
"Company  Vote") and the  filing  and  recording  of the  Certificate  of Merger
pursuant to the DGCL. Under the DGCL, the Company's  stockholders may adopt this
Agreement  by vote of the  holders of a majority  of the  outstanding  shares of
Company Common Stock. This Agreement has been duly executed and delivered by the
Company,  and assuming the due  authorization,  execution and delivery by Thermo
Electron and Merger Sub,  constitutes  the valid and binding  obligation  of the
Company, enforceable in accordance with its terms. The execution and delivery of
this  Agreement by the Company do not, and the  performance of this Agreement by
the  Company  will  not,  (i)  conflict  with  or  violate  the  Certificate  of
Incorporation  or Bylaws of the Company or (ii) subject to obtaining the Company
Vote and  compliance  with the  requirements  set forth in Section 2.3(b) below,
conflict with or violate any law, rule,  regulation,  order,  judgment or decree
applicable to the Company or any of its material subsidiaries or by which its or
their respective  properties is bound,  except, with respect to clause (ii), for
any such conflicts,  violations,  defaults or other  occurrences  that would not
have a Material Adverse Effect on the Company or the Surviving Corporation.

            (b)  No   consent,   approval,   order  or   authorization   of,  or
registration,  declaration  or filing with any court,  administrative  agency or
commission  or  other   governmental   or   regulatory   body  or  authority  or
instrumentality  ("Governmental  Entity") is required by or with  respect to the


                                       9
<PAGE>

Company in connection  with the execution and delivery of this  Agreement or the
consummation of the transactions  contemplated hereby, except for (i) the filing
of the  Certificate of Merger with the Secretary of State of Delaware,  (ii) the
filing  by the  Company  and  Thermo  Electron  of the Proxy  Statement  and the
Registration Statement (as defined in Section 5.1), respectively,  with the U.S.
Securities and Exchange Commission ("SEC") in accordance with the Securities Act
of 1933, as amended (the  "Securities  Act") and the Securities  Exchange Act of
1934, as amended (the "Exchange Act"), and (iii) such other consents, approvals,
orders,  authorizations,  registrations,  declarations  and  filings  as  may be
required under applicable federal and state securities laws.

      2.4.  Board  Approval.  The  Board  of  Directors  of  the  Company,  upon
recommendation  of the Special  Committee  that this  Agreement,  including  the
Exchange  Ratio,  is fair to, and in the best  interests of, the Company and its
stockholders (other than Thermo Electron and ThermoTrex), has, as of the date of
this Agreement,  unanimously  (i) adopted a resolution  approving this Agreement
and declaring its  advisability,  (ii) determined that the Merger is fair to the
stockholders of the Company and in the best interests of the Company,  and (iii)
determined to recommend that the  stockholders of the Company vote to adopt this
Agreement.

      2.5. Fairness Opinion.  The Special Committee has received an opinion from
the  Financial  Advisor  dated  December  14,  1999 that,  as of such date,  the
consideration  to be received  by the  Company's  stockholders  in the Merger is
fair, from a financial point of view, to the Company's  stockholders  other than
Thermo Electron, ThermoTrex and their affiliates (other than the Company).

      2.6 Registration Statement,  Proxy  Statement/Prospectus.  The information
supplied by the Company for inclusion in the Registration  Statement (as defined
in Section 5.1(a))  (including any information  incorporated by reference in the
Registration  Statement  from other  filings  made by the Company  with the SEC)
shall not at the time the  Registration  Statement  becomes  effective under the
Securities Act, contain any untrue statement of a material fact or omit to state
any  material  fact  necessary  in  order  to make the  statements  therein  not
misleading in light of the circumstances  under which they were made. Other than
with respect to the  information  supplied by Thermo Electron or the Merger Sub,
the Proxy  Statement  (as defined in Section  5.1(a)) shall not, on the date the
Proxy  Statement  is first  mailed to  stockholders,  at the time of the Company
Stockholders'  Meeting (as defined in Section  5.1(b)) or at the Effective Time,
contain any untrue  statement  of a material  fact or omit to state any material
fact required to be stated  therein or necessary in order to make the statements
therein,  in light of the circumstances  under which they are made, not false or
misleading.  The  Proxy  Statement  will  comply  (other  than with  respect  to
information  relating to Thermo  Electron  and/or  Merger Sub) as to form in all
material  respects  with the  provisions  of the  Exchange Act and the rules and
regulations thereunder.

                                   ARTICLE III
       REPRESENTATIONS AND WARRANTIES OF THERMO ELECTRON AND MERGER SUB

      Thermo  Electron  and Merger Sub,  jointly and  severally,  represent  and
warrant to the Company as follows:

                                       10
<PAGE>

      3.1.  Organization.  Thermo  Electron  is a  corporation  duly  organized,
validly  existing and in good  standing  under the laws of the State of Delaware
and Merger Sub is a corporation  duly  organized,  validly  existing and in good
standing under the laws of the State of Delaware,  each has the corporate  power
to own, lease and operate its property and to carry on its business as now being
conducted and as proposed to be conducted,  and is duly qualified to do business
and in good standing as a foreign  corporation in each jurisdiction in which the
failure  to be so  qualified  would  have a  Material  Adverse  Effect on Thermo
Electron.  In  this  Agreement,  the  term  "Material  Adverse  Effect"  used in
reference to Thermo  Electron means any event,  change or effect,  that is or is
reasonably  likely to be,  individually  or in the aggregate  with other events,
changes or  effects,  materially  adverse to the  financial  condition,  assets,
liabilities,  results of  operations  or  business  of Thermo  Electron  and its
subsidiaries, taken as a whole.

      3.2.  Authority.

            (a)  Each of  Thermo  Electron  and  Merger  Sub  has all  requisite
corporate power and authority to enter into this Agreement and to consummate the
transactions  contemplated  hereby. The execution and delivery of this Agreement
and the  consummation  of the  transactions  contemplated  hereby have been duly
authorized by all necessary  corporate action on the part of Thermo Electron and
Merger Sub,  subject  only to the filing and  recording  of the  Certificate  of
Merger pursuant to the DGCL. This Agreement has been duly executed and delivered
by each of Thermo Electron and Merger Sub and,  assuming the due  authorization,
execution  and  delivery  of  this  Agreement  by the  Company,  this  Agreement
constitutes  the valid and binding  obligation  of each of Thermo  Electron  and
Merger Sub, enforceable in accordance with its terms. The execution and delivery
of this  Agreement  by each of Thermo  Electron  and Merger Sub do not,  and the
performance  of this  Agreement  by each of Thermo  Electron and Merger Sub will
not, (i) conflict with or violate the Certificate of  Incorporation or Bylaws of
Thermo Electron or the Certificate of  Incorporation  or Bylaws of Merger Sub or
of any material  subsidiary,  direct or indirect,  of Thermo Electron (including
Merger Sub, but excluding the Company and its  subsidiaries)  (each, a "Material
Thermo Subsidiary"),  (ii) subject to compliance with the requirements set forth
in Section  3.2(c) below,  conflict with or violate any law,  rule,  regulation,
order,  judgment or decree  applicable to Thermo Electron or any Material Thermo
Subsidiaries or by which its or any of their  respective  properties is bound or
affected,  or (iii) result in any breach of or constitute a default (or an event
that with  notice or lapse of time or both  would  become a default)  under,  or
impair Thermo  Electron's rights or alter the rights or obligations of any third
party  under,  or  give  to  others  any  rights  of   termination,   amendment,
acceleration  or  cancellation  of,  or  result  in the  creation  of a lien  or
encumbrance  on any of the  properties  or  assets  of  Thermo  Electron  or any
Material Thermo Subsidiaries  pursuant to, any note, bond, mortgage,  indenture,
contract,  agreement,  lease, license,  permit, franchise or other instrument or
obligation to which Thermo  Electron or any Material  Thermo  Subsidiaries  is a
party or by which Thermo Electron or any Material Thermo  Subsidiaries or its or
any of their respective  properties are bound or affected,  except, with respect
to  clause  (iii),  for  any  such  conflicts,  violations,  defaults  or  other
occurrences that would not have a Material Adverse Effect on Thermo Electron.

      (b) All  shares of  Thermo  Common  Stock and  Thermo  Units  issuable  in
accordance with this Agreement,  and shares of Thermo Common Stock which will be
subject to issuance  pursuant to Company  Stock Option Plans or the  Convertible


                                       11
<PAGE>

Debentures will, upon issuance,  be duly authorized,  validly issued, fully paid
and nonassessable  and not subject to preemptive rights created by statute,  the
Certificate of  Incorporation  or Bylaws of Thermo Electron or Merger Sub or any
other  agreement  or document to which  either is a party or by which  either is
bound.

      (c) No consent,  approval,  order or  authorization  of, or  registration,
declaration  or  filing  with any  Governmental  Entity is  required  by or with
respect to Thermo  Electron or Merger Sub in  connection  with the execution and
delivery of this Agreement or the consummation of the transactions  contemplated
hereby,  except  for (i) the  filing  of the  Certificate  of  Merger  with  the
Secretary of State of Delaware,  (ii) the filing of the Proxy  Statement and the
Registration  Statement  (as defined in Section 5.1) with the SEC in  accordance
with the  Securities  Act and the Exchange  Act, and (iii) such other  consents,
approvals, orders,  authorizations,  registrations,  declarations and filings as
may be required under applicable federal and state securities laws.

      3.3   Capitalization.

      (a)  The  authorized   capital  stock  of  Thermo  Electron   consists  of
350,000,000  shares of Thermo Common Stock,  par value $1.00 per share, of which
there were 158,236,781  shares issued and outstanding as of October 2, 1999, and
9,011,451  shares in  treasury  as of  October 2,  1999,  and  50,000  shares of
preferred  stock,  $100 par value per share,  of which  40,000  shares have been
designated  Series B Junior  Participating  Preferred  Stock,  none of which are
issued and outstanding. All of the outstanding shares of Thermo Common Stock are
duly  authorized,  validly  issued,  fully paid and  non-assessable  and are not
subject  to  preemptive   rights   created  by  statute,   the   Certificate  of
Incorporation or Bylaws of Thermo Electron or any agreement or document to which
Thermo  Electron or any subsidiary of Thermo  Electron is a party or by which it
is bound.  As of October 2, 1999,  an aggregate of  15,653,373  shares of Thermo
Common  Stock,  net of  exercises,  were  reserved  for  issuance to  employees,
consultants and non-employee directors pursuant to stock option plans maintained
by Thermo Electron or any subsidiary of Thermo Electron, under which options are
outstanding  for an aggregate of  11,912,116  shares.  As of October 2, 1999, an
aggregate of 15,476,191 shares of Thermo Common Stock were reserved for issuance
upon the conversion of convertible  debentures  issued by Thermo  Electron.  All
shares of Thermo Common Stock subject to issuance as aforesaid, upon issuance on
the terms and conditions specified in the instruments pursuant to which they are
issuable,   will  be  duly   authorized,   validly   issued,   fully   paid  and
non-assessable.  There are no bonds, debentures,  notes or other indebtedness of
Thermo Electron issued and outstanding which have rights to vote in the election
of directors of Thermo  Electron.  Except as described in the Thermo Reports (as
defined in Section 3.4) filed prior to the date of this Agreement,  there are no
other material outstanding options, warrants, equity securities,  subscriptions,
calls,  rights,  commitments  or  agreements  of any  character  to which Thermo
Electron  or any  of its  subsidiaries  is a  party  or by  which  it is  bound,
obligating  Thermo  Electron to issue,  deliver or sell,  or cause to be issued,
delivered or sold, additional shares of capital stock or other equity securities
of Thermo Electron or obligating Thermo Electron to grant or enter into any such
option, warrant, equity security, call, right, commitment or agreement.

      (b) Thermo  Electron  has also assumed the  obligations  of certain of its
subsidiaries  under stock option plans which have been  modified to provide that
option holders have the right to acquire shares of Thermo  Electron common stock
on certain terms and  conditions.  The options to acquire  additional  shares of


                                       12
<PAGE>

Thermo Common Stock assumed by Thermo  Electron in connection with signed merger
agreements with its majority owned  subsidiaries which options are not reflected
in the number of shares  identified  in Section  3.3(a) as reserved for issuance
pursuant to Thermo Electron Stock Option Plans, constitute less than one percent
of the  issued  and  outstanding  shares  of  Thermo  Common  Stock  issued  and
outstanding as of October 2, 1999. Since October 2, 1999, other than pursuant to
merger agreements with its majority owned subsidiaries,  Thermo Electron has not
issued additional options,  warrants, equity securities,  subscriptions,  calls,
rights,  commitments or agreements  obligating Thermo Electron to issue, deliver
or sell, or cause to be issued,  delivered or sold, additional shares of capital
stock or other equity  securities of Thermo Electron  obligating Thermo Electron
to grant or enter into options,  warrants,  equity  securities,  calls,  rights,
commitments or agreements.

      (c) As of the date of this Agreement,  no Stock  Acquisition Date or other
event that would result in the  occurrence of a  Distribution  Date has occurred
(as such terms are defined in the Rights  Agreement  dated  January 19, 1996, as
amended,  by and between  Thermo  Electron  and  BankBoston,  N.A.  (the "Rights
Agreement")),  with respect to the rights to purchase a unit  consisting  of one
ten-thousandth  of a share of Thermo  Electron's  Series B Junior  Participating
Preferred Stock pursuant to the Rights Agreement.

      3.4  Reports  and  Financial  Statements.  Thermo  Electron  has filed all
material  forms,  reports and documents  required to be filed with the SEC since
January 1, 1997.  Thermo Electron has made available to the Company complete and
accurate copies,  as amended or  supplemented,  of (a) its Annual Report on Form
10-K for the fiscal  year ended  January 2, 1999 as filed with the SEC,  and (b)
all other reports filed by Thermo  Electron with the SEC under Sections 13 or 14
of the  Exchange  Act since  January  2, 1999  (such  reports  are  collectively
referred to herein as the "Thermo  Reports").  Since October 2, 1999,  there has
been no change in the business,  financial condition or results of operations of
Thermo  Electron  that has  resulted  or is  reasonably  likely  to  result in a
Material  Adverse Effect on Thermo Electron.  As of their respective  dates, the
Thermo Reports (i) complied in all material  respects with the  requirements  of
the Exchange Act and the applicable rules of the SEC thereunder and (ii) did not
contain any untrue statement of a material fact or omit to state a material fact
required to be stated  therein or necessary to make the statements  therein,  in
light of the  circumstances  under  which they were made,  not  misleading.  The
audited  financial  statements  and unaudited  interim  financial  statements of
Thermo Electron included in the Thermo Reports (in each case including the notes
thereto)  (i)  comply  as to  form  in all  material  respects  with  applicable
accounting  requirements and the published rules and regulations of the SEC with
respect thereto,  (ii) have been prepared in accordance with generally  accepted
accounting  principles  applied on a  consistent  basis  throughout  the periods
covered thereby (except as may be indicated therein or in the notes thereto, and
in the case of quarterly financial  statements,  as permitted by Form 10-Q under
the  Exchange  Act),  (iii)  fairly  present,  in  all  material  respects,  the
consolidated financial condition,  results of operation and cash flows of Thermo
Electron as of the  respective  dates  thereof  and for the periods  referred to
therein,  and (iv) are consistent with the books and records of Thermo Electron.
There are no  liabilities  of Thermo  Electron  which are not  disclosed  in the
Thermo  Reports  which  would be  reasonably  likely to have a Material  Adverse
Effect on Thermo Electron.

                                       13
<PAGE>

      3.5 Information  Provided to Financial Advisor. To the knowledge of Thermo
Electron,  the  information  provided by Thermo  Electron and the Company to the
Financial  Advisor in  connection  with the Merger  does not  contain any untrue
statement  of  material  fact or omit to state a material  fact  required  to be
stated  therein or necessary  to make the  statements  therein,  in light of the
circumstances  under which they were made, not  misleading.  For purposes of the
foregoing sentence,  any projections or forward-looking  statements shall not be
deemed to be statements of material fact; however, the projections were prepared
in good faith and based on  assumptions  that were  reasonable  at the time such
projections  were prepared,  given the  information  known by management at such
time.  Furthermore,  it is recognized that such projections and  forward-looking
statements do not constitute any warranty as to the future performance of Thermo
Electron or the Company and that actual results may vary from projected results.

      3.6 Litigation.  Except as discussed in the Thermo  Reports,  there are no
suits, actions, arbitrations,  demands, claims or proceedings pending, or to the
knowledge  of  Thermo  Electron,  threatened  against  Thermo  Electron  or  any
subsidiary of Thermo  Electron  which,  individually  or in the  aggregate,  are
reasonably likely to have a Material Adverse Effect on Thermo Electron.

      3.7 Merger Sub.  Since the date of its  incorporation,  Merger Sub has not
engaged in any activities  other than in connection  with or as  contemplated by
this Agreement and has incurred no material  liabilities  or  obligations  other
than those arising under this Agreement.

      3.8 Registration Statement;  Proxy  Statement/Prospectus.  Other than with
respect to the information supplied by the Company,  the Registration  Statement
shall not, at the time the Registration  Statement  becomes  effective under the
Securities Act, contain any untrue statement of a material fact or omit to state
any material fact necessary in order to make the statements included therein not
misleading.  The  information  supplied by Thermo  Electron for inclusion in the
Proxy  Statement  (including any  information  incorporated  by reference in the
Proxy  Statement from other filings made by Thermo  Electron with the SEC) shall
not, on the date the Proxy  Statement  is first mailed to  stockholders,  at the
time of the Company  Stockholders' Meeting or at the Effective Time, contain any
untrue  statement of a material fact or omit to state any material fact required
to be stated  therein or necessary in order to make the statements  therein,  in
light of the  circumstances  under which they are made, not false or misleading.
The Proxy Statement will comply (with respect to information  relating to Thermo
Electron)  as to  form in all  material  respects  with  the  provisions  of the
Exchange Act and the rules and regulations thereunder.


                                   ARTICLE IV
                       CONDUCT PRIOR TO THE EFFECTIVE TIME

      4.1.  Conduct of Business by the Company.  During the period from the date
of this  Agreement and continuing  until the earlier of the  termination of this
Agreement pursuant to its terms or the Effective Time, the Company shall, except
for  such  actions  which  are  contemplated  by this  Agreement  or  reasonably
appropriate in connection with the transactions  contemplated by this Agreement,
and except as  consented  to by Thermo  Electron,  carry on its  business in the
usual,  regular  and  ordinary  course,  in  substantially  the same  manner  as


                                       14
<PAGE>

heretofore  conducted,  pay its debts and taxes  when due  subject to good faith
disputes  over such debts or taxes,  pay or perform other  material  obligations
when due,  and use its  commercially  reasonable  efforts  consistent  with past
practices  and policies to preserve  intact its present  business  organization,
keep  available the services of its present  officers and employees and preserve
its relationships with customers, suppliers, distributors, licensors, licensees,
and others with which it has business dealings.

      4.2.  Conduct of Business by Thermo  Electron.  During the period from the
date of this  Agreement and continuing  until the earlier of the  termination of
this  Agreement  pursuant to its terms or the Effective  Time,  Thermo  Electron
shall not,  and shall not permit any  Material  Thermo  Subsidiary  to, take any
action  which would make any of the  representations  and  warranties  of Thermo
Electron  contained  herein  untrue  or  cause  Thermo  Electron  not  to  be in
compliance with any covenant set forth herein.


                                    ARTICLE V
                              ADDITIONAL AGREEMENTS

      5.1.  Registration Statement; Other Filings.

            (a)  As  promptly  as  practicable   after  the  execution  of  this
Agreement,  the Company and Thermo  Electron will jointly  prepare and file with
the  SEC  a  preliminary   proxy  statement  (with   appropriate   requests  for
confidential  treatment)  relating to the Merger and this Agreement  (such proxy
statement,  as  amended or  supplemented,  the  "Proxy  Statement"),  and Thermo
Electron will prepare and file with the SEC a registration statement on Form S-4
(the "Registration  Statement"),  in which the Proxy Statement shall be included
as a  prospectus.  Thermo  Electron  will use its  best  efforts  to  cause  the
Registration Statement to be declared effective under the Securities Act as soon
as  practicable  after such  filing,  and will take all actions  required  under
applicable  federal or state  securities laws in connection with the issuance of
Thermo  Common  Stock in the Merger.  Each party will notify the other  promptly
upon the receipt of any comments from the SEC or its staff and of any request by
the SEC or its  staff  or any  other  government  officials  for  amendments  or
supplements  to the Proxy  Statement,  the  Registration  Statement or any other
filing or for additional information and will supply the other party with copies
of all correspondence  between such party or any of its representatives,  on the
one hand, and the SEC, or its staff or any other  government  officials,  on the
other hand, with respect to the Registration  Statement,  the Proxy Statement or
the  Merger.  Whenever  any event  occurs that is required to be set forth in an
amendment or supplement to the  Registration  Statement or the Proxy  Statement,
the relevant party will promptly  inform the other party of such  occurrence and
cooperate in filing with the SEC or its staff or any other government officials,
and/or mailing to stockholders of the Company, such amendment or supplement.

             (b) The  information  supplied by the Company for  inclusion in the
Registration  Statement (including any information  incorporated by reference in
the Registration  Statement from other filings made by the Company with the SEC)
will not, at the time the  Registration  Statement  (including any amendments or
supplements  thereto)  is  declared  effective  by the SEC,  contain  any untrue
statement of a material  fact or omit to state any material  fact required to be
stated therein or necessary in order to make the statements therein, in light of
the  circumstances  under which they were made, not misleading.  The information
supplied by the Company for  inclusion in the Proxy  Statement to be sent to the
stockholders  of the Company in  connection  with the  meeting of the  Company's


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stockholders  to consider  the  adoption of this  Agreement  and approval of the
Merger  (the  "Company   Stockholders'   Meeting")  (including  any  information
incorporated  by reference in the Proxy Statement from other filings made by the
Company  with the  SEC)  will  not,  on the date  the  Proxy  Statement  (or any
amendment  thereof  or  supplement  thereto)  is  first  mailed  to the  Company
stockholders,  at the  time  of the  Company  Stockholders'  Meeting  and at the
Effective  Time,  contain any statement  which, at such time and in light of the
circumstances  under which it shall be made, is false or misleading with respect
to any  material  fact,  or shall omit to state any material  fact  necessary in
order to make the  statements  made therein not false or  misleading in light of
the circumstances under which they were made, or omit to state any material fact
necessary to correct any statement in any earlier  communication with respect to
the  solicitation  of proxies for the Company  Stockholders'  Meeting  which has
become false or misleading.

             (c) The information  supplied by Thermo Electron and Merger Sub for
inclusion in the Registration Statement (including any information  incorporated
by reference in the  Registration  Statement  from other  filings made by Thermo
Electron  with the  SEC)  will  not,  at the  time  the  Registration  Statement
(including any amendments or supplements  thereto) is declared  effective by the
SEC,  contain  any  untrue  statement  of a  material  fact or omit to state any
material  fact  required to be stated  therein or necessary in order to make the
statements  therein,  in light of the circumstances  under which they were made,
not misleading.  The information  supplied by Thermo Electron and Merger Sub for
inclusion in the Proxy  Statement to be sent to the  stockholders of the Company
in connection with the Company  Stockholders' Meeting (including any information
incorporated  by reference  in the Proxy  Statement  from other  filings made by
Thermo  Electron with the SEC) will not, on the date the Proxy Statement (or any
amendment  thereof  or  supplement  thereto)  is  first  mailed  to the  Company
stockholders,  at the  time  of the  Company  Stockholders'  Meeting  and at the
Effective  Time,  contain any statement  which, at such time and in light of the
circumstances  under which it shall be made, is false or misleading with respect
to any  material  fact,  or shall omit to state any material  fact  necessary in
order to make the  statements  made therein not false or  misleading in light of
the circumstances under which they were made, or omit to state any material fact
necessary to correct any statement in any earlier  communication with respect to
the  solicitation  of proxies for the Company  Stockholders'  Meeting  which has
become false or misleading.

            (d) The Proxy  Statement  will  include  the  recommendation  of the
Special  Committee  in favor of  approval  of this  Agreement  (except  that the
Special   Committee   may   withdraw,   modify  or  refrain   from  making  such
recommendation  to the  extent  that  the  Special  Committee  determines  after
consultation  with outside legal counsel that failure to do so would violate the
Special Committee's fiduciary duties under applicable law).

            (e) The Proxy Statement will include the recommendation of the Board
of Directors of the Company in favor of approval of this Agreement  (except that
the Board of  Directors  of the Company  may  withdraw,  modify or refrain  from
making  such  recommendation  to the  extent  that the  Board  determines  after
consultation  with outside legal counsel that failure to do so would violate the
Board's fiduciary duties under applicable law).

            (f) To the extent that the Special Committee or the Board withdraws,
modifies or refrains from making their  respective  recommendations  pursuant to
Sections 5.1(d) or (e) hereof, the Proxy Statement will reflect such action.

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<PAGE>

      5.2. Meeting of the Company Stockholders.  Promptly after the date hereof,
the Company will take all action  necessary in accordance  with the DGCL and its
Certificate  of  Incorporation  and Bylaws to convene the Company  Stockholders'
Meeting to be held as  promptly  as  reasonably  practicable  for the purpose of
voting  upon this  Agreement.  Unless the  Special  Committee  determines  after
consultation with outside legal counsel that to do so would be inconsistent with
the Board's or the Special  Committee's  fiduciary  duties under applicable law,
the  Company  will  use  its  reasonable   best  efforts  to  solicit  from  its
stockholders  proxies in favor of the approval of this Agreement and the Merger,
and will take all other  action  necessary  or  advisable  to secure the vote or
consent  of its  stockholders  required  by the DGCL to obtain  such  approvals.
Thermo  Electron  shall vote,  or cause to be voted,  all of the Company  Common
Stock then owned by it and any of its  subsidiaries  in favor of the approval of
this Agreement and the Merger.

      5.3. Access to Information. Subject to applicable legal restrictions, each
of the  parties  hereto  will  afford the other  (including,  in the case of the
Company,  the  Special  Committee)  and  each of their  respective  accountants,
counsel and other representatives reasonable access during normal business hours
to the  properties,  books,  records  and  personnel  of each of them during the
period prior to the Effective Time to obtain all  information  concerning  their
respective  businesses,   including  the  status  of  their  respective  product
development efforts, properties, results of operations and personnel, as each of
them may reasonably request. Each of the parties hereto agrees that it will, and
will  cause  its  representatives  and  agents  to,  keep all  such  information
confidential and will not, and will cause its  representatives or agents not to,
use any  information  obtained  pursuant  to this  Section  5.3 for any  purpose
unrelated  to  the  consummation  of  the  transactions   contemplated  by  this
Agreement.  Notwithstanding  the foregoing,  none of the parties hereto shall be
required to keep  confidential any information (i) which is or becomes generally
available to the public,  other than by wrongful  disclosure  by the  disclosing
party in violation  of this  Agreement  or (ii) which  becomes  available to the
disclosing  party  on a  nonconfidential  basis  from a  source  other  than the
nondisclosing party or any officer or director of such party.

      5.4. Public Disclosure.  Thermo Electron and the Company will consult with
each other  before  issuing  any press  release or  otherwise  making any public
statement  with respect to the Merger or this  Agreement  and will not issue any
such press release or make any such public statement prior to such consultation,
except  as may be  required  by law or any  listing  agreement  with a  national
securities  exchange.  Promptly  upon the  execution  hereof,  the parties shall
jointly make a press release with respect to the  transactions  contemplated  by
this Agreement, in form reasonably satisfactory to the Special Committee.

      5.5. Legal Requirements.  Subject to the terms of this Agreement,  each of
Thermo  Electron,  Merger Sub and the Company will take all  reasonable  actions
necessary or desirable to comply promptly with all legal  requirements  that may
be  imposed  on  them  with  respect  to the  consummation  of the  transactions
contemplated by this Agreement (including furnishing all information required in
connection  with  approvals  of or filings  with any  Governmental  Entity,  and
including  using its reasonable  best efforts to defend any litigation  prompted
hereby) and will promptly  cooperate  with and furnish  information to any party
hereto  necessary in connection with any such  requirements  imposed upon any of
them or their respective subsidiaries in connection with the consummation of the
transactions contemplated by this Agreement.

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<PAGE>

      5.6.  Notification  of  Certain  Matters.  Subject  to the  terms  of this
Agreement,  Thermo  Electron  and  Merger  Sub will  give  prompt  notice to the
Company,  and the Company  will give prompt  notice to Thermo  Electron,  of the
occurrence,  or failure to occur, of any event,  which  occurrence or failure to
occur would be  reasonably  likely to cause (a) any  representation  or warranty
contained in this  Agreement to be untrue or inaccurate in any material  respect
at any time from the date of this  Agreement to the  Effective  Time, or (b) any
material  failure of Thermo Electron and Merger Sub or the Company,  as the case
may be, or of any officer,  director,  employee or agent thereof, to comply with
or satisfy any covenant, condition or agreement to be complied with or satisfied
by it under this Agreement.  From the date of this Agreement until the Effective
Time,  Thermo  Electron  will give prompt  notice to the Company and the Special
Committee of any written  offers or  indications  of interest it receives from a
prospective purchaser of any material properties or assets of the Company or its
subsidiaries, which set forth a proposed purchase price greater than $50 million
or in which the book value of the assets being sold is greater than $10 million,
other than sales of assets and  services  in the  ordinary  course of  business.
Notwithstanding  the above,  the delivery of any notice pursuant to this section
will not limit or otherwise affect the remedies available hereunder to the party
receiving such notice or the conditions to such party's obligation to consummate
the Merger.

      5.7. Best Efforts and Further Assurances. Subject to the respective rights
and obligations of Thermo Electron and the Company under this Agreement, each of
the parties to this Agreement will use its reasonable best efforts to effectuate
the Merger and the other  transactions  contemplated  hereby and to fulfill  and
cause to be fulfilled the conditions to closing under this  Agreement,  it being
understood  that such  efforts  shall not include any  obligation  to settle any
litigation  prompted hereby.  Subject to the terms hereof, each party hereto, at
the  reasonable  request of another party hereto,  will execute and deliver such
other  instruments  and do and  perform  such  other  acts and  things as may be
reasonably  necessary or desirable for effecting  completely the consummation of
the transactions contemplated hereby.

      5.8.  Stock Option Plans; Reservation of Shares.

      (a) At the Effective Time, each  outstanding  option to purchase shares of
the Company Common Stock (each a "Company Stock Option") under the Company Stock
Option Plans,  whether or not  exercisable,  will be assumed by Thermo Electron.
Each Company  Stock Option so assumed by Thermo  Electron  under this  Agreement
will  continue  to have,  and be subject to, the same terms and  conditions  set
forth in the  applicable  Company  Stock  Option Plan  immediately  prior to the
Effective Time (including,  without limitation,  any repurchase rights),  except
that  (i)  each  Company  Stock  Option  will be  exercisable  (or  will  become
exercisable  in  accordance  with its terms) for that number of whole  shares of
Thermo  Common  Stock  equal to the  product  of the number of shares of Company
Common  Stock that were  issuable  upon  exercise of such  Company  Stock Option
immediately  prior  to the  Effective  Time  multiplied  by the  Exchange  Ratio
(rounded down to the nearest whole share), and (ii) the per share exercise price
for the shares of Thermo  Common Stock  issuable  upon  exercise of such assumed
Company  Stock Option will be equal to the quotient  determined  by dividing the
exercise  price per share of Company  Common Stock at which such  Company  Stock
Option was exercisable  immediately  prior to the Effective Time by the Exchange
Ratio,  rounded up to the nearest whole cent.  After the Effective Time,  Thermo
Electron  will issue to each holder of an  outstanding  Company  Stock  Option a
notice  describing  the  foregoing  assumption  of such Company  Stock Option by
Thermo Electron.

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<PAGE>

      (b) Thermo Electron will reserve  sufficient shares of Thermo Common Stock
for  issuance  under  this  Section  5.8  and  pursuant  to  conversion  of  the
Convertible Debentures.

      5.9.   Thermo  Electron  Form  S-8.  Thermo  Electron  agrees  to  file  a
registration  statement  on Form S-8 or, if  possible,  an  amendment  to Thermo
Electron's then effective  registration statement on Form S-8, for the shares of
Thermo Common Stock  issuable with respect to the assumed  Company Stock Options
within five (5) business  days after the  Effective  Time and shall use its best
efforts to keep such  registration  statement  effective for so long as any such
options remain outstanding.

      5.10. Indemnification; Insurance.

            (a) The  Certificate  of  Incorporation  and Bylaws of the Surviving
Corporation  will contain the  provisions  with respect to  indemnification  and
elimination  of liability for monetary  damages set forth in the  Certificate of
Incorporation  and Bylaws of the Company,  which provisions will not be amended,
repealed or otherwise  modified for a period of six (6) years from the Effective
Time in any  manner  that  would  adversely  affect  the  rights  thereunder  of
individuals  who,  on or prior to the date  hereof  or at any time from the date
hereof to the Effective Time, were directors or officers of the Company,  unless
such  modification  is required by law. The  Surviving  Corporation  shall,  and
Thermo  Electron will cause the Surviving  Corporation  to, fulfill and honor in
all  respects the  indemnification  obligations  of the Company  pursuant to the
provisions of the Certificate of Incorporation  and the Bylaws of the Company as
in effect on the date of this Agreement.

            (b) For a period of six (6) years after the Effective  Time,  Thermo
Electron shall cause the Surviving  Corporation  to, either  directly or through
participation  in  Thermo  Electron's  umbrella  policy,  maintain  in  effect a
directors'  and officers'  liability  insurance  policy  covering  those Company
directors  and  officers  currently  covered  by  Thermo  Electron's   liability
insurance  policy  with  coverage  no less  favorable  in amount  and scope than
existing coverage for such Company directors and officers (which coverage may be
an  endorsement  extending  the  period in which  claims  may be made under such
existing  policy);  provided,  however,  that in no event  shall  the  Surviving
Corporation  be required to expend to  maintain  or procure  insurance  coverage
pursuant  to this  Section  5.10,  directly or through  participation  in Thermo
Electron's  policy,  an amount per annum in excess of 175% of the current annual
premiums,  as adjusted for  inflation  each year,  allocable  and payable by the
Company (the "Maximum Premium") with respect to such insurance,  or, if the cost
of such insurance  exceeds the Maximum  Premium,  the maximum amount of coverage
that can be purchased or maintained for the Maximum Premium.


                                       19
<PAGE>


            (c)  The  Company  shall,  to the  fullest  extent  permitted  under
applicable law and regardless of whether the Merger becomes effective, indemnify
and  hold  harmless  each  of  Carliss  Y.  Baldwin  and  I.  MacAllister  Booth
(collectively,   the  "Outside   Directors")  against  all  costs  and  expenses
(including  attorneys'  fees),   judgments,   fines,  losses,  claims,  damages,
liabilities and settlement  amounts paid in connection  with any claim,  action,
suit, proceeding or investigation,  whether civil,  criminal,  administrative or
investigative,  arising  out of or  pertaining  to any action or omission in the
Outside Directors'  capacity as directors  (including,  without  limitation,  as
members of the Special  Committee)  or  fiduciaries  of the Company  (including,
without  limitation,  in connection with the  transactions  contemplated by this
Agreement)  occurring  on,  before or after  the  Effective  Time  (or,  if this
Agreement is terminated  without the Merger  becoming  effective,  occurring on,
before  or after the date of such  termination),  until  the  expiration  of the
statute of limitations  relating  thereto (and shall pay any expenses in advance
of the final  disposition of such action or proceeding to the Outside  Directors
to the fullest  extent  permitted  under  applicable  law, upon receipt from the
Outside  Directors of an undertaking  (which need not be secured or subject to a
bond or other requirement) to repay any advanced expenses if it shall ultimately
be  determined  that the Outside  Directors  are not entitled to be  indemnified
against such expenses).  If the Merger becomes effective,  Thermo Electron shall
be jointly  and  severally  responsible,  to the  fullest  extent  permitted  by
applicable  law (it being  understood  that  applicable  law may  permit  Thermo
Electron  to  indemnify  or advance  expenses  to the  Outside  Directors  under
circumstances in which the Company could not do so), for the indemnification and
advancement of expenses  obligations  provided for in the first sentence of this
Section 5.10(c). If the Merger does not become effective,  Thermo Electron shall
have the same  responsibilities set forth in the immediately preceding sentence,
except that Thermo  Electron shall have no  responsibility  for  indemnifying or
advancing  expenses to the Outside Directors with respect to matters that do not
arise out of or pertain to the work of the Special Committee,  this Agreement or
the transactions  contemplated  hereby. In the event of any claim, action, suit,
proceeding or investigation  covered by this Section  5.10(c),  (i) the Company,
Thermo Electron and the Surviving Corporation, as the case may be, shall pay the
reasonable  fees and  expenses of counsel  selected  by the  Outside  Directors,
promptly after statements  therefor are received,  and (ii) the Company,  Thermo
Electron and the  Surviving  Corporation  shall  cooperate in the defense of any
such matter; provided, however, that neither the Company nor Thermo Electron nor
the Surviving  Corporation  shall be liable for any settlement  effected without
Thermo  Electron's  prior written  consent (such consent not to be  unreasonably
withheld or delayed);  and provided,  further,  that, in the event any claim for
indemnification is asserted or made within the period prior to the expiration of
the applicable statute of limitations,  all rights to indemnification in respect
of such claim shall continue until the  disposition of such claim. In connection
with  Thermo  Electron  or the  Surviving  Corporation  making  any  payment  or
advancing any funds  pursuant to this Section  5.10(c),  Thermo  Electron or the
Surviving  Corporation,  as the case may be,  shall be  entitled  to require the
Outside  Directors  to use  commercially  reasonable  efforts,  at the  cost and
expense  of Thermo  Electron  and the  Surviving  Corporation,  to cause  Thermo
Electron or the Surviving  Corporation,  as the case may be, to be subrogated to
the Outside  Directors'  rights under any insurance  coverage  maintained by the
Surviving  Corporation,  Thermo Electron or any of their  respective  affiliates
with  respect to the  underlying  subject  matter of, and to the extent of, such
payment or advance.

                                       20
<PAGE>



            (d) In the event  the  Company,  Thermo  Electron  or the  Surviving
Corporation or any of their  respective  successors or assigns (i)  consolidates
with or  merges  into any  other  person  and  shall  not be the  continuing  or
surviving  corporation  or  entity  of such  consolidation  or  merger,  or (ii)
transfers all or  substantially  all of its  properties or assets to any person,
then,  and in each  such  case,  proper  provision  shall  be  made so that  the
successors  and  assigns  of the  Company,  Thermo  Electron  and the  Surviving
Corporation,  as the case may be, shall assume the obligations set forth in this
Section 5.10.

            (e) This Section 5.10 shall survive the Effective  Time for a period
of six  (6)  years  and is  intended  to  benefit  the  Company,  the  Surviving
Corporation and those  individuals  who, at or prior to the Effective Time, were
directors   or  officers  of  the  Company  and  their   respective   heirs  and
representatives  (each of whom shall be entitled to enforce  this  Section  5.10
against Thermo  Electron or the Surviving  Corporation)  and shall be binding on
all successors and assigns of Thermo Electron and the Surviving Corporation.

            (f)  The  rights  of the  officers  and  directors  of  the  Company
(including,  without limitation,  the Outside Directors) under this Section 5.10
are in addition to any rights of such  persons  under  separate  indemnification
agreements  any such persons may have with the Company  and/or Thermo  Electron,
under the  Certificate  of  Incorporation  or Bylaws  of the  Company  or Thermo
Electron or otherwise.

      5.11.  Deferred  Compensation  Plan.  At the Effective  Time,  the Company
Directors  Deferred  Compensation  Plan will  terminate,  and the  Company  will
distribute  to each  participant  Thermo  Common Stock in amounts  determined by
multiplying  the  Exchange  Ratio by the balance of the stock units  credited to
such  participant's  deferred  compensation  account under the Company Directors
Deferred  Compensation  Plan as of the Effective Time,  adjusted as described in
Section 1.6(f) and Section 1.11 of this Agreement.

      5.12  Compliance by Merger Sub.  Thermo Electron shall cause Merger Sub to
timely perform and comply with all of its  obligations  under or related to this
Agreement.

      5.13 NYSE Listing. Thermo Electron shall use its best efforts to cause all
shares of Thermo Common Stock issuable (i) to holders of Company Common Stock as
a result of the Merger, (ii) upon conversion of the Convertible Debentures,  and
(iii)  pursuant  to Company  Stock  Option  Plans as assumed by Thermo  Electron
pursuant to this  Agreement,  to be authorized for listing on the New York Stock
Exchange.

      5.14 AMEX Listing. Thermo Electron shall use its best efforts to cause all
Thermo Units to be authorized for listing on the American Stock Exchange.

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<PAGE>

                                   ARTICLE VI
                            CONDITIONS TO THE MERGER

      6.1.  Conditions to  Obligations  of Each Party to Effect the Merger.  The
respective  obligations  of each  party to this  Agreement  to effect the Merger
shall be subject to the  satisfaction  at or prior to the Effective  Time of the
following conditions:

            (a) No Order.  No  Governmental  Entity shall have enacted,  issued,
promulgated, enforced or entered any statute, rule, regulation, executive order,
decree, injunction or other order (whether temporary,  preliminary or permanent)
which is in effect  and which has the  effect of making  the  Merger  illegal or
otherwise prohibiting consummation of the Merger.

            (b) Registration  Statements.  The Registration Statement shall have
been  declared   effective  by  the  SEC  and  no  stop  order   suspending  the
effectiveness  of the  Registration  Statement  shall  have been  issued  and no
proceedings for that purpose shall have been initiated or threatened by the SEC.

            (c) NYSE and AMEX Listings.  The Thermo Common Stock issuable (i) to
holders  of  Company  Common  Stock,  (ii) upon  conversion  of the  Convertible
Debentures,  and (iii)  pursuant  to Company  Stock  Option  Plans as assumed by
Thermo  Electron  pursuant to this  Agreement,  shall have been  authorized  for
listing on the New York Stock  Exchange;  and the Thermo  Units  shall have been
authorized for listing on the American Stock Exchange.

            (d)  Stockholder  Approval.  This Agreement shall have been approved
and  adopted by the  requisite  vote under the DGCL by the  stockholders  of the
Company.

            (e) Rights Agreement.  No Stock Acquisition Date or other event that
would result in the  occurrence of a  Distribution  Date shall have occurred (as
such terms are defined in the Rights  Agreement),  with respect to the rights to
purchase a unit consisting of one ten-thousandth of a share of Thermo Electron's
Series B Junior Participating Preferred Stock pursuant to the Rights Agreement.

      6.2. Additional  Conditions to Obligations of the Company. The obligations
of the  Company to  consummate  and  effect  the Merger  shall be subject to the
satisfaction  at or  prior  to the  Effective  Time  of  each  of the  following
conditions,  any of which may be waived, in writing,  exclusively by the Company
(provided that the Special Committee shall have consented in writing to any such
waiver):

            (a)   Representations   and  Warranties.   The  representations  and
warranties of Thermo  Electron and Merger Sub contained in this Agreement  shall
be true and correct in all material respects (other than those already qualified
by a materiality  standard,  which shall be true and correct in all respects) on
and as of the Effective Time, except for changes expressly  contemplated by this
Agreement  and except for those  representations  and  warranties  that  address
matters only as of a particular  date (which shall remain true and correct as of
such  particular  date),  with the same force and effect as if made on and as of
the Effective  Time;  and the Company shall have received a certificate  to such
effect signed on behalf of Thermo  Electron by the  President,  Chief  Executive
Officer or Vice President of Thermo Electron.

                                       22
<PAGE>

            (b) Agreements and Covenants.  Thermo  Electron and Merger Sub shall
have  performed or complied in all material  respects  with all  agreements  and
covenants required by this Agreement to be performed or complied with by them on
or  prior  to the  Effective  Time,  and  the  Company  shall  have  received  a
certificate to such effect signed on behalf of Thermo Electron by the President,
Chief Executive Officer or Vice President of Thermo Electron.

            (c) Fairness Opinion.  At the time of mailing of the Proxy Statement
to the  stockholders  of the Company and at the  Effective  Time,  the Financial
Advisor  shall  have  reaffirmed  in writing  the  fairness  opinion  previously
prepared and delivered by it to the Special  Committee and the Financial Advisor
shall not have withdrawn such opinion.

            (d) State  Securities  Laws. Any and all necessary state  securities
approvals  for the issuance of Thermo  Common Stock  pursuant to this  Agreement
shall have been obtained.

            (e) Certificate  Regarding No Material  Adverse Change.  The Company
shall have  received a  certificate  signed on behalf of Thermo  Electron by its
President, Chief Executive Officer or Vice President stating that there has been
no change in the  business,  financial  condition,  or results of  operations of
Thermo  Electron  that has  resulted in or is  reasonably  likely to result in a
Material Adverse Effect on Thermo Electron.

      6.3.  Additional  Conditions  to the  Obligations  of Thermo  Electron and
Merger Sub. The  obligations of Thermo Electron and Merger Sub to consummate and
effect  the  Merger  shall be  subject  to the  satisfaction  at or prior to the
Effective Time of each of the following conditions,  any of which may be waived,
in writing, exclusively by Thermo Electron and Merger Sub:

            (a)   Representations   and  Warranties.   The  representations  and
warranties of the Company  contained in this Agreement shall be true and correct
in all material  respects  (other than those already  qualified by a materiality
standard,  which  shall be true and  correct in all  respects)  on and as of the
Effective Time, except for changes contemplated by this Agreement and except for
those  representations  and  warranties  that  address  matters  only  as  of  a
particular  date (which  shall  remain  true and  correct as of such  particular
date),  with the same  force and  effect  as if made on and as of the  Effective
Time,  except,  in all such  cases,  where the failure to be so true and correct
would not have a Material Adverse Effect on the Company; and Thermo Electron and
Merger Sub shall have received a certificate  to such effect signed on behalf of
the Company by the President,  Chief Executive  Officer or Vice President of the
Company.

            (b) Agreements  and  Covenants.  The Company shall have performed or
complied in all material respects with all agreements and covenants  required by
this  Agreement  to be  performed  or  complied  with by it on or  prior  to the
Effective  Time,  and Thermo  Electron shall have received a certificate to such
effect signed on behalf of the Company by the President, Chief Executive Officer
or Vice President of the Company.

            (c) No Withdrawal of Special Committee  Recommendation.  The Special
Committee shall not have withdrawn its  recommendation to the Board of Directors
to approve this Agreement and the Merger as set forth in Section 2.4 hereof.

                                       23
<PAGE>

            (d)  Stockholder  Approval.  This Agreement shall have been approved
and adopted by the Company Vote.

            (e)  Certificate   Regarding  No  Material  Adverse  Change.  Thermo
Electron and Merger Sub shall have  received a  certificate  signed on behalf of
the Company by the President,  Chief Executive  Officer or Vice President of the
Company  stating  that  there  has been no  change  in the  business,  financial
condition,  or results of  operations  of the Company that has resulted in or is
reasonably likely to result in a Material Adverse Effect on the Company.

                                   ARTICLE VII
                        TERMINATION, AMENDMENT AND WAIVER

      7.1.  Termination.  This  Agreement may be terminated at any time prior to
the  Effective  Time of the  Merger,  whether  before or after  approval of this
Agreement by the stockholders of the Company:

            (a) by mutual  written  consent  duly  authorized  by the  Boards of
Directors  of Merger Sub and the Company  (with the  concurrence  of the Special
Committee);

            (b) by either  the  Company  (with the  concurrence  of the  Special
Committee)  or Merger  Sub if the  Merger  shall not have  been  consummated  by
September  30,  2000;  provided,  however,  that  the  right to  terminate  this
Agreement  under this  Section  7.1(b) shall not be available to any party whose
action  or  failure  to act has been a  principal  cause of or  resulted  in the
failure of the Merger to occur on or before  such date if such action or failure
to act constitutes a breach of this Agreement;

            (c) by either  the  Company  (with the  concurrence  of the  Special
Committee) or Merger Sub if a court of competent  jurisdiction or  governmental,
regulatory or  administrative  agency or commission  shall have issued an order,
decree or ruling or taken any other action (an "Order"),  in any case having the
effect of  permanently  restraining,  enjoining  or  otherwise  prohibiting  the
Merger, which order, decree or ruling is final and nonappealable;

            (d) by either  the  Company  (with the  concurrence  of the  Special
Committee)  or Merger Sub if the required  approval of the  stockholders  of the
Company contemplated by this Agreement shall not have been obtained by reason of
the  failure  to obtain  the  required  vote upon a vote  taken at a meeting  of
stockholders duly convened therefor or at any adjournment thereof (provided that
the right to terminate  this  Agreement  under this Section  7.1(d) shall not be
available to the Company where the failure to obtain stockholder approval of the
Company shall have been caused by the action or failure to act of the Company in
breach of this Agreement and the right to terminate  this  Agreement  under this
Section 7.1(d) shall not be available to Thermo Electron or Merger Sub where the
failure to obtain the requisite  vote by the  stockholders  of the Company shall
have been  caused by the action or failure to act of Thermo  Electron  or Merger
Sub in breach of this  Agreement  or by the  failure of Thermo  Electron  or any
direct or indirect  subsidiary of Thermo Electron  (whether or not wholly-owned)
to vote its  shares of  Company  Common  Stock in favor of the  Merger  and this
Agreement);


                                       24
<PAGE>

            (e) by the Company (with the concurrence of the Special  Committee),
upon a breach of any representation, warranty, covenant or agreement on the part
of Thermo Electron or Merger Sub set forth in this Agreement, if (i) as a result
of such  breach the  conditions  set forth in Section  6.2(a) or Section  6.2(b)
would not be  satisfied as of the time of such breach and (ii) such breach shall
not have been cured by Thermo  Electron  or Merger Sub within ten (10)  business
days following  receipt by Thermo Electron of written notice of such breach from
the Company;

            (f) by Merger Sub,  upon a breach of any  representation,  warranty,
covenant or agreement on the part of the Company set forth in this Agreement, if
(i) as a result of such  breach the  conditions  set forth in Section  6.3(a) or
Section  6.3(b)  would not be  satisfied  as of the time of such breach and (ii)
such breach  shall not have been cured by the Company  within ten (10)  business
days  following  receipt by the  Company of written  notice of such  breach from
Merger Sub;

            (g) by the  Company  if the  Board  of  Directors  determines  after
consultation  with outside legal counsel that failure to do so would violate the
Board's fiduciary duties under applicable law;

            (h) by  Merger  Sub upon the  Company's  inability  to  provide  the
certificate  required by Section 6.3(e) hereof and its  continuing  inability to
provide such certificate  within fifteen (15) business days following receipt by
the Company of written notice from Merger Sub; or

      7.2. Notice of Termination; Effect of Termination. Any termination of this
Agreement  under  Section  7.1  above  will be  effective  immediately  upon the
delivery of written notice by the terminating  party to the other parties hereto
(or, in the case of a termination pursuant to Section 7.1(e), 7.1(f), or 7.1(h),
the expiration of the ten or fifteen  business day period  referred to therein).
In the event of the  termination  of this  Agreement as provided in Section 7.1,
this  Agreement  shall be of no  further  force or effect,  except  that (i) the
confidentiality  obligations of each party hereto  contained in Section 5.3, the
covenants  and  obligations  set forth in  Section  5.10 and the  provisions  of
Sections  7.2, 7.3 and 8.1 shall survive any such  termination  and (ii) nothing
herein shall relieve any party from  liability  for any material  breach of this
Agreement.

      7.3. Fees and Expenses.  All fees and expenses incurred in connection with
this Agreement and the transactions  contemplated hereby shall be paid by Thermo
Electron, whether or not the Merger is consummated.

      7.4.  Amendment.  Subject to applicable law, this Agreement may be amended
by the  parties  hereto at any time by  execution  of an  instrument  in writing
signed on behalf of each of the  parties  hereto;  provided,  however,  that the
Company  may not amend this  Agreement  without the  concurrence  of the Special
Committee.

      7.5. Extension;  Waiver. At any time prior to the Effective Time any party
hereto  may,  to the  extent  legally  allowed,  (i)  extend  the  time  for the
performance of any of the obligations or other acts of the other parties hereto,
(ii) waive any inaccuracies in the  representations  and warranties made to such
party contained  herein or in any document  delivered  pursuant hereto and (iii)
waive  compliance  with any of the  agreements or conditions  for the benefit of
such party contained herein;  provided,  however,  that the Company may not take
any such actions without the concurrence of the Special Committee. Any agreement
on the part of a party  hereto to any such  extension  or waiver  shall be valid
only if set forth in an instrument in writing signed on behalf of such party.

                                       25
<PAGE>

                                  ARTICLE VIII
                               GENERAL PROVISIONS

      8.1.  Non-Survival of Representations and Warranties.  The representations
and warranties of the Company,  Thermo Electron and Merger Sub contained in this
Agreement  shall terminate at the Effective Time, and only the covenants that by
their  terms,  or as the  context  requires,  survive the  Effective  Time shall
survive the Effective Time.

      8.2. Notices. All notices and other  communications  hereunder shall be in
writing  and shall be deemed  given if  delivered  personally  or by  commercial
delivery service, or sent via telecopy (receipt confirmed) to the parties at the
following  addresses or telecopy  numbers (or at such other  address or telecopy
numbers for a party as shall be specified by like notice):

      (a)   if to Thermo Electron or Merger Sub, to:

            Thermo Electron Corporation
            81 Wyman Street
            Waltham, MA 02454
            Attention:  President
                  Telephone: (781) 622-1000
                  Facsimile: (781) 622-1283

            with a copy to:

            Thermo Electron Corporation
            81 Wyman Street
            Waltham, MA  02454
                  Attention:  General Counsel
                  Telephone: (781) 622-1000
                  Facsimile: (781) 622-1283

      (b)   if to the Company, to

            ThermoLase Corporation
            2055-C Luna Road
            Carrollton, TX  75006
            Attention:  President
            Telephone:  (972) 488-0710
            Facsimile:  (972) 241-0669

                                       26
<PAGE>

            with a copy (which shall not constitute notice to the Company) to:

            Sullivan & Worcester LLP
            One Post Office Square
            Boston, MA  02109
                  Attention:  Harvey E. Bines. Esq.
                  Telephone: (617) 338-2800
                  Facsimile: (617) 338-2880

      8.3.  Counterparts.  This  Agreement  may  be  executed  in  one  or  more
counterparts,  all of which shall be considered  one and the same  agreement and
shall become effective when one or more counterparts have been signed by each of
the parties and  delivered  to the other  party,  it being  understood  that all
parties need not sign the same counterpart.

      8.4.  Entire  Agreement.  This Agreement and the documents and instruments
and other  agreements among the parties hereto as contemplated by or referred to
herein (a) constitute the entire agreement among the parties with respect to the
subject  matter hereof and supersede all prior  agreements  and  understandings,
both  written and oral,  among the parties  with  respect to the subject  matter
hereof,  with  the  exception  of the  agreements  relating  to the  Convertible
Debentures,  the  Units,  the  Company  Stock  Option  Plans and any  agreements
relating  to the  indemnification  of  members  of the  Board;  and  (b) are not
intended  to confer  upon any other  person  any rights or  remedies  hereunder,
except as set forth herein.  Notwithstanding the foregoing,  Section 5.10 hereof
is intended to be for the benefit of, and may be enforced by, those  individuals
who, as of the date hereof and at any time from the date hereof to the Effective
Time, were directors or officers of the Company.

      8.5.  Severability.  In the event that any provision of this  Agreement or
the  application  thereof,  becomes  or is  declared  by a  court  of  competent
jurisdiction  to be  illegal,  void  or  unenforceable,  the  remainder  of this
Agreement  will  continue in full force and effect and the  application  of such
provision to other persons or circumstances will be interpreted so as reasonably
to effect the intent of the parties hereto. The parties further agree to replace
such  void or  unenforceable  provision  of  this  Agreement  with a  valid  and
enforceable  provision that will achieve, to the extent possible,  the economic,
business and other purposes of such void or unenforceable provision.

      8.6. Other Remedies;  Specific  Performance.  Except as otherwise provided
herein,  any and all remedies  herein  expressly  conferred upon a party will be
deemed  cumulative with and not exclusive of any other remedy conferred  hereby,
or by law or equity  upon such  party,  and the  exercise  by a party of any one
remedy will not preclude the exercise of any other  remedy.  The parties  hereto
agree  that  irreparable  damage  would  occur  in  the  event  that  any of the
provisions  of this  Agreement  were not  performed  in  accordance  with  their
specific terms or were  otherwise  breached.  It is accordingly  agreed that the
parties shall be entitled to an injunction or injunctions to prevent breaches of
this Agreement and to enforce  specifically  the terms and provisions  hereof in
any court of the United States or any state having  jurisdiction,  this being in
addition to any other remedy to which they are entitled at law or in equity.

                                       27
<PAGE>

      8.7.  Governing Law. This Agreement  shall be governed by and construed in
accordance with the laws of the Commonwealth of Massachusetts, regardless of the
laws that might otherwise govern under applicable principles of conflicts of law
thereof, except to the extent that the DGCL applies.

      8.8.  Assignment.  No party may assign either this Agreement or any of its
rights,  interests,  or obligations hereunder without the prior written approval
of the other parties.

      8.9 Headings.  The headings  contained in this Agreement are for reference
purposes only and shall not in any way affect the meaning or  interpretation  of
this Agreement.


                 [remainder of page intentionally left blank]


                                       28
<PAGE>


      IN WITNESS  WHEREOF,  Thermo  Electron,  Merger Sub and the  Company  have
caused  this  Agreement  to be signed by  themselves  or their  duly  authorized
respective officers, all as of the date first written above.

                                   THERMO ELECTRON CORPORATION


                                   By:  /s/ Theo Melas-Kyriazi
                                        --------------------------------
                                   Name:    Theo Melas-Kyriazi
                                   Title:   Vice President and
                                            Chief Financial Officer


                                   THERMOLASE ACQUISITION
                                   CORPORATION


                                   By:  /s/ John T. Keiser
                                        --------------------------------
                                   Name:    John T. Keiser
                                   Title:   President


                                   THERMOLASE CORPORATION


                                   By:  /s/ Kenneth J. Apicerno
                                        --------------------------------
                                   Name:     Kenneth J. Apicerno
                                   Title:    Treasurer





                                       29
<PAGE>






                                TABLE OF CONTENTS

                                                                            Page




ARTICLE I THE MERGER.........................................................2

1.1.  The Merger.............................................................2

1.2.  Effective Time; Closing................................................2

1.3.  Effect of the Merger...................................................2

1.4.  Certificate of Incorporation; Bylaws...................................3

1.5.  Directors and Officers.................................................3

1.6.  Effect on Capital Stock................................................3

1.7.  Surrender of Certificates..............................................5

1.8.  No Further Ownership Rights in Company Common Stock or Units...........7

1.9.  Lost, Stolen or Destroyed Certificates.................................7

1.10. Dividends..............................................................7

1.11. Fractional Shares......................................................8

1.12. Closing of Transfer Books..............................................8

1.13. Taking of Necessary Action; Further Action.............................8

ARTICLE II REPRESENTATIONS AND WARRANTIES OF THE COMPANY.....................8

2.1.  Organization of the Company............................................8

2.2.  Company Capital Structure..............................................9

2.3.  Authority..............................................................9

2.4.  Board Approval........................................................10

2.5.  Fairness Opinion......................................................10

2.6   Registration Statement; Proxy Statement/Prospectus....................10

ARTICLE III REPRESENTATIONS AND WARRANTIES OF THERMO ELECTRON AND
      MERGER SUB............................................................10

3.1.  Organization..........................................................11

3.2.  Authority.............................................................11

3.3.  Capitalization........................................................12

3.4   Reports and Financial Statements......................................13

3.5   Information Provided to Financial Advisor.............................13

3.6   Litigation............................................................14

3.7   Merger Sub........................................................... 14

3.8   Registration Statement; Proxy Statement/Prospectus................... 14

                                      -i-
<PAGE>


ARTICLE IV CONDUCT PRIOR TO THE EFFECTIVE TIME..............................14

4.1.  Conduct of Business by the Company....................................14

4.2.  Conduct of Business by Thermo Electron................................15

ARTICLE V ADDITIONAL AGREEMENTS.............................................15

5.1.  Registration Statement; Other Filings.................................15

5.2.  Meeting of the Company Stockholders...................................17

5.3.  Access to Information.................................................17

5.4.  Public Disclosure.....................................................17

5.5.  Legal Requirements....................................................17

5.6.  Notification of Certain Matters.......................................18

5.7.  Best Efforts and Further Assurances...................................18

5.8.  Stock Option Plans; Reservation of Shares.............................18

5.9.  Thermo Electron Form S-8..............................................19

5.10. Indemnification; Insurance............................................19

5.11. Deferred Compensation Plan............................................21

Compliance by Merger Sub....................................................21

5.14  NYSE Listing .........................................................21

5.14. AMEX Listing..........................................................21

ARTICLE VI CONDITIONS TO THE MERGER.........................................22

6.1.  Conditions to Obligations of Each Party to Effect the Merger..........22

6.2.  Additional Conditions to Obligations of the Company...................22

6.3.  Additional Conditions to the Obligations of Thermo Electron and
      Merger Sub............................................................23

ARTICLE VII TERMINATION, AMENDMENT AND WAIVER...............................24

7.1.  Termination...........................................................24

7.2.  Notice of Termination; Effect of Termination..........................25

7.3.  Fees and Expenses.....................................................25

7.4.  Amendment.............................................................25

7.5.  Extension; Waiver.....................................................25

ARTICLE VIII GENERAL PROVISIONS.............................................26

8.1.  Non-Survival of Representations and Warranties........................26

8.2.  Notices...............................................................26

8.3.  Counterparts..........................................................27

                                      -ii-
<PAGE>

8.4.  Entire Agreement......................................................27

8.5.  Severability..........................................................27

8.6.  Other Remedies; Specific Performance..................................27

8.7.  Governing Law.........................................................28

8.8.  Assignment............................................................28

8.9   Headings..............................................................28

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