<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THERMEDICS INC.'S ANNUAL REPORT ON FORM 10-K FOR THE YEAR ENDED DECEMBER 28, 1996 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <RESTATED> <MULTIPLIER> 1,000 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> DEC-28-1996 <PERIOD-END> DEC-28-1996 <CASH> 82,800 <SECURITIES> 65,054 <RECEIVABLES> 67,686 <ALLOWANCES> 4,903 <INVENTORY> 54,230 <CURRENT-ASSETS> 279,580 <PP&E> 48,892 <DEPRECIATION> 27,342 <TOTAL-ASSETS> 456,699 <CURRENT-LIABILITIES> 71,410 <BONDS> 74,359 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 3,684 <OTHER-SE> 207,898 <TOTAL-LIABILITY-AND-EQUITY> 456,699 <SALES> 292,077 <TOTAL-REVENUES> 292,077 <CGS> 148,137 <TOTAL-COSTS> 148,137 <OTHER-EXPENSES> 39,000 <LOSS-PROVISION> 1,352 <INTEREST-EXPENSE> 3,770 <INCOME-PRETAX> 51,497 <INCOME-TAX> 13,969 <INCOME-CONTINUING> 29,138 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 29,138 <EPS-PRIMARY> .80 <EPS-DILUTED> .75