THERMO TERRATECH INC

Q: Jul 1 2000

FY: Apr 1 2000

FY: Apr 1 2000

Q: Jan 1 2000

Q: Oct 2 1999

Q: Jul 3 1999

FY: Apr 3 1999

Q: Jan 2 1999

Q: Oct 3 1998

Q: Jul 4 1998

FY: Apr 4 1998

Q: Jan 3 1998

Q: Sep 27 1997

Q: Jun 28 1997

FY: Dec 28 1996

FY: Mar 29 1997

Q: Dec 28 1996

Q: Sep 28 1996

FY: Mar 30 1996

Q: Aug 6 1996

2,7

2,7

2,7

2,7

5,7

5,7

ITEM INFORMATION:

5

5,7

2,7

2,7

Current report pursuant to Section 13 or 15(d)

Current report pursuant to Section 13 or 15(d)

2,7

5,7

2,7

2,7

Current report pursuant to Section 13 or 15(d) (amendment)

Current report pursuant to Section 13 or 15(d) (amendment)

Current report pursuant to Section 13 or 15(d)

Certification of termination of registration of a class of securities (Section 12(b))

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Post-effective amendment to a registration statement

Post-effective amendment to a registration statement

Post-effective amendment to a registration statement

Registration statement under Securities Act of 1933

Withdrawal of a registration statement

No description available

No description available

Registration statement under Securities Act of 1933

No description available

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

No description available

THERMO TERRATECH INC

THERMO TERRATECH INC

LOOMIS SAYLES & CO LP /MA/ /ADV

THERMO ELECTRON CORP

THERMO ELECTRON CORP

THERMO ELECTRON CORP

LOOMIS SAYLES & CO LP /MA/ /ADV

LOOMIS SAYLES & CO LP /MA/ /ADV

THERMO ELECTRON CORP

THERMO ELECTRON CORP

THERMO TERRATECH INC

THERMO TERRATECH INC

THERMO ELECTRON CORP

THERMO TERRATECH INC

THERMO TERRATECH INC

THERMO TERRATECH INC

THERMO ELECTRON CORP