UNITED STATES

                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

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

                                   FORM 10-Q/A
                                 Amendment No. 1

(mark one)
[ X ]  Quarterly Report Pursuant to Section 13 or 15(d) of the Securities
       Exchange Act of 1934 for the Quarter Ended July 2, 2005

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

                          Commission File Number 1-8002

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

Delaware                                                              04-2209186
(State or other jurisdiction of             (I.R.S. Employer Identification No.)
incorporation or organization)

81 Wyman Street, P.O. Box 9046
Waltham, Massachusetts                                                02454-9046
(Address of principal executive offices)                              (Zip Code)

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

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

Indicate by check mark whether the Registrant is an accelerated filer (as
defined in Rule 12b-2 of the Exchange Act). Yes [ X ]  No [   ]

Indicate the number of shares outstanding of each of the issuer's classes of
Common Stock, as of the latest practicable date.

                 Class                         Outstanding at July 29, 2005
     -----------------------------             ----------------------------
     Common Stock, $1.00 par value                     161,613,800







                           THERMO ELECTRON CORPORATION

         The Company is filing this Amendment No. 1 to its Quarterly Report on
Form 10-Q for the quarter ended July 2, 2005, as originally filed with the SEC
on August 4, 2005, for the sole purpose of providing an exhibit (10.2) that was
listed on the original Form 10-Q but inadvertently not included as part of the
original filing. This Amendment No. 1 on Form 10-Q/A does not change the
previously reported financial statements or any of the other disclosure
contained in the original Form 10-Q. Part II is also being amended to add new
certifications in accordance with Rule 13a-14(a) of the Exchange Act.

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                           THERMO ELECTRON CORPORATION

Item 6 - Exhibits
- -----------------

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

  2.1#            Amendment to Purchase Agreement among the Company, the
                  indirect, wholly owned subsidiaries of the Company named
                  therein, SPX Corporation, and the direct and indirect, wholly
                  owned subsidiaries of SPX Corporation named therein, dated May
                  6, 2005 (filed as Exhibit 99.2 to the Company's Current Report
                  on Form 8-K filed May 12, 2005 [File No. 1-8002] and
                  incorporated herein by reference).

 10.1#            Credit Agreement among the Company, the several banks and
                  other financial institutions or entities from time to time
                  parties thereto, JPMorgan Chase Bank, N.A., as Administrative
                  Agent, Barclays Bank PLC, as Syndication Agent, and ABN AMRO
                  Bank, N.V., as Documentation Agent, dated May 9, 2005 (filed
                  as Exhibit 99.1 to the Company's Current Report on Form 8-K
                  filed May 12, 2005 [File 1-8002] and incorporated herein by
                  reference).

 10.2             2005 Stock Incentive Plan, as amended.

 10.3#            Form of Thermo Electron Corporation Stock Option Agreement for
                  use in connection with the grant of stock options under the
                  Company's 2005 Stock Incentive Plan to officers and directors
                  (filed as Exhibit 99.1 to the Company's Current Report on Form
                  8-K filed May 23, 2005 [File No. 1-8002] and incorporated
                  herein by reference).

 10.4#            Indenture, dated as of May 27, 2005, between the Company and
                  JPMorgan Chase Bank, N.A. (filed as Exhibit 99.1 to the
                  Company's Current Report on Form 8-K filed June 3, 2005 [File
                  No. 1-8002] and incorporated herein by reference).

 10.5#            Registration Rights Agreement, dated as of May 27, 2005, among
                  the Company and J.P. Morgan Securities Inc.,  Barclays Capital
                  Inc., ABN AMRO  Incorporated,  Banc of America Securities LLC,
                  KeyBanc Capital  Markets,  a Division of McDonald  Investments
                  Inc., and Mitsubishi  Securities  International  plc (filed as
                  Exhibit 99.2 to the Company's Current Report on Form 8-K filed
                  June 3, 2005  [Filed No.  1-8002] and  incorporated  herein by
                  reference).

 10.6#+           Credit Agreement among the Company,  Thermo Luxembourg Holding
                  S.a.r.l.,  Thermo Finance  Company B.V., the several banks and
                  other  financial  institutions  or entities  from time to time
                  parties thereto, ABN AMRO Bank, N.V., as Administrative Agent,
                  Sole  Bookrunner  and a Lead  Arranger,  Barclays Bank PLC, as
                  co-Documentation   Agent,   JPMorgan  Chase  Bank,   N.A.,  as
                  co-Documentation  Agent,  and Bank of  Tokyo-Mitsubishi  Trust
                  Company, as Syndication Agent, dated June 30, 2005.

 10.7#            Form of Fixed Rate Promissory Note (Multiple Loans) for use in
                  connection  with money market loans to the Company by JPMorgan
                  Chase Bank, N.A.

 31.1#            Certification of Chief Executive  Officer required by Exchange
                  Act Rules  13a-14(a)  and  15d-14(a),  as adopted  pursuant to
                  Section 302 of the Sarbanes-Oxley Act of 2002.

 31.2#            Certification of Chief Financial  Officer required by Exchange
                  Act Rules  13a-14(a)  and  15d-14(a),  as adopted  pursuant to
                  Section 302 of the Sarbanes-Oxley Act of 2002.

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                           THERMO ELECTRON CORPORATION

Item 6 - Exhibits (continued)
- -----------------

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

 31.3             Certification of Chief Financial  Officer required by Exchange
                  Act Rules  13a-14(a)  and  15d-14(a),  as adopted  pursuant to
                  Section 302 of the Sarbanes-Oxley Act of 2002.

 31.4             Certification of Chief Financial  Officer required by Exchange
                  Act Rules  13a-14(a)  and  15d-14(a),  as adopted  pursuant to
                  Section 302 of the Sarbanes-Oxley Act of 2002.

 32.1#            Certification of Chief Executive  Officer required by Exchange
                  Act Rules  13a-14(b)  and  15d-14(b),  as adopted  pursuant to
                  Section 906 of the Sarbanes-Oxley Act of 2002.*

 32.2#            Certification of Chief Financial  Officer required by Exchange
                  Act Rules  13a-14(b)  and  15d-14(b),  as adopted  pursuant to
                  Section 906 of the Sarbanes-Oxley Act of 2002.*

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

#Previously filed.

*Certification is not deemed "filed" for purposes of Section 18 of the Exchange
 Act, or otherwise subject to the liability of that section. Such certification
 is not deemed to be incorporated by reference into any filing under the
 Securities Act or the Exchange Act, except to the extent that the registrant
 specifically incorporates it by reference.

+Confidential treatment requested as to certain portions, which portions have
 been separately filed with the Securities and Exchange Commission.




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                           THERMO ELECTRON CORPORATION

                                   SIGNATURES


       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 as of the 29th day of August 2005.

                                   THERMO ELECTRON CORPORATION



                                   /s/ Seth H. Hoogasian
                                   ---------------------------------------------
                                   Seth H. Hoogasian
                                   Vice President, General Counsel and Secretary




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                           THERMO ELECTRON CORPORATION

                                  EXHIBIT INDEX

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

 2.1#             Amendment  to  Purchase  Agreement  among  the  Company,   the
                  indirect,  wholly  owned  subsidiaries  of the  Company  named
                  therein, SPX Corporation,  and the direct and indirect, wholly
                  owned subsidiaries of SPX Corporation named therein, dated May
                  6, 2005 (filed as Exhibit 99.2 to the Company's Current Report
                  on  Form  8-K  filed  May  12,  2005  [File  No.  1-8002]  and
                  incorporated herein by reference).

 10.1#            Credit  Agreement  among the  Company,  the several  banks and
                  other  financial  institutions  or entities  from time to time
                  parties thereto,  JPMorgan Chase Bank, N.A., as Administrative
                  Agent,  Barclays Bank PLC, as Syndication  Agent, and ABN AMRO
                  Bank, N.V., as Documentation  Agent,  dated May 9, 2005 (filed
                  as Exhibit 99.1 to the  Company's  Current  Report on Form 8-K
                  filed May 12, 2005 [File  1-8002] and  incorporated  herein by
                  reference).

 10.2             2005 Stock Incentive Plan, as amended.

 10.3#            Form of Thermo Electron Corporation Stock Option Agreement for
                  use in  connection  with the grant of stock  options under the
                  Company's 2005 Stock  Incentive Plan to officers and directors
                  (filed as Exhibit 99.1 to the Company's Current Report on Form
                  8-K filed May 23,  2005  [File No.  1-8002]  and  incorporated
                  herein by reference).

 10.4#            Indenture,  dated as of May 27, 2005,  between the Company and
                  JPMorgan  Chase  Bank,  N.A.  (filed  as  Exhibit  99.1 to the
                  Company's  Current Report on Form 8-K filed June 3, 2005 [File
                  No. 1-8002] and incorporated herein by reference).

 10.5#            Registration Rights Agreement, dated as of May 27, 2005, among
                  the Company and J.P. Morgan Securities Inc.,  Barclays Capital
                  Inc., ABN AMRO  Incorporated,  Banc of America Securities LLC,
                  KeyBanc Capital  Markets,  a Division of McDonald  Investments
                  Inc., and Mitsubishi  Securities  International  plc (filed as
                  Exhibit 99.2 to the Company's Current Report on Form 8-K filed
                  June 3, 2005  [Filed No.  1-8002] and  incorporated  herein by
                  reference).

 10.6#+           Credit Agreement among the Company,  Thermo Luxembourg Holding
                  S.a.r.l.,  Thermo Finance  Company B.V., the several banks and
                  other  financial  institutions  or entities  from time to time
                  parties thereto, ABN AMRO Bank, N.V., as Administrative Agent,
                  Sole  Bookrunner  and a Lead  Arranger,  Barclays Bank PLC, as
                  co-Documentation   Agent,   JPMorgan  Chase  Bank,   N.A.,  as
                  co-Documentation  Agent,  and Bank of  Tokyo-Mitsubishi  Trust
                  Company, as Syndication Agent, dated June 30, 2005.

 10.7#            Form of Fixed Rate Promissory Note (Multiple Loans) for use in
                  connection  with money market loans to the Company by JPMorgan
                  Chase Bank, N.A.

 31.1#            Certification of Chief Executive  Officer required by Exchange
                  Act Rules  13a-14(a)  and  15d-14(a),  as adopted  pursuant to
                  Section 302 of the Sarbanes-Oxley Act of 2002.

 31.2#            Certification of Chief Financial  Officer required by Exchange
                  Act Rules  13a-14(a)  and  15d-14(a),  as adopted  pursuant to
                  Section 302 of the Sarbanes-Oxley Act of 2002.

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                           THERMO ELECTRON CORPORATION

                                  EXHIBIT INDEX

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

 31.3             Certification of Chief Financial  Officer required by Exchange
                  Act Rules  13a-14(a)  and  15d-14(a),  as adopted  pursuant to
                  Section 302 of the Sarbanes-Oxley Act of 2002.

 31.4             Certification of Chief Financial  Officer required by Exchange
                  Act Rules  13a-14(a)  and  15d-14(a),  as adopted  pursuant to
                  Section 302 of the Sarbanes-Oxley Act of 2002.

 32.1#            Certification of Chief Executive  Officer required by Exchange
                  Act Rules  13a-14(b)  and  15d-14(b),  as adopted  pursuant to
                  Section 906 of the Sarbanes-Oxley Act of 2002.*

 32.2#            Certification of Chief Financial  Officer required by Exchange
                  Act Rules  13a-14(b)  and  15d-14(b),  as adopted  pursuant to
                  Section 906 of the Sarbanes-Oxley Act of 2002.*

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

#Previously filed.

*Certification is not deemed "filed" for purposes of Section 18 of the Exchange
 Act, or otherwise subject to the liability of that section. Such certification
 is not deemed to be incorporated by reference into any filing under the
 Securities Act or the Exchange Act, except to the extent that the registrant
 specifically incorporates it by reference.

+Confidential treatment requested as to certain portions, which portions have
 been separately filed with the Securities and Exchange Commission.



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