EXHIBIT 12.2 THERMO ELECTRON CORPORATION RATIO OF EARNINGS TO FIXED CHARGES (DOLLARS IN THOUSANDS) NINE FISCAL YEAR MONTHS ------------------------------------------------------------ ENDED SEPT. 27, 1992 1993 1994 1995 1996 1997 -------- -------- -------- -------- -------- -------- Income before provision for income taxes and cumulative effect of change in accounting principle............................... $ 88,673 $110,381 $175,414 $238,293 $301,661 $288,448 Less: Minority interest in losses of consolidated subsidiaries..................... (281) (215) - (789) (1,797) (5,637) Add: Minority interest in consolidated Subsidiaries with fixed charges............... 14,183 21,301 30,962 61,044 74,306 58,060 Interest on indebteness and amortization of debt expense.................. 24,322 31,736 59,844 77,861 96,695 67,794 Portion of rents representative of the interest factor/(1)/.......................... 15,208 15,621 15,806 16,251 20,856 17,559 --------- -------- -------- -------- -------- -------- Income, As Adjusted........................ $142,105 $178,824 $282,026 $392,660 $491,721 $426,224 ========= ======== ======== ======== ======== ======== Fixed Charges: Interest on indebtedness and amortization of debt expense.................. $ 24,322 $ 31,736 $ 59,844 $ 77,861 $ 96,695 $ 67,794 Portion of rents representative of the interest factor/(1)/.......................... 15,208 15,621 15,806 16,251 20,856 17,559 Capitalized interest............................ 7,100 8,400 2,114 - - - -------- -------- -------- -------- -------- -------- Fixed Charges.............................. $ 46,630 $ 55,757 $ 77,764 $ 94,112 $117,551 $ 85,353 ======== ======== ======== ======== ======== ======== Ratio of Earnings to Fixed Charges................... 3.05 3.21 3.63 4.17 4.18 4.99 ======== ======== ======== ======== ======== ======== _____________ (1) Portion of rents representative of the interest factor is 1/3 of total rents.