202 



THOMSON ON CARNOT'S 



TABLE A. 



VARIOUS ENGINES IN WHICH THE TEMPERATURE OP THE 

 BOILER is 140 C. AND THAT OF THE CONDENSER 30 C. 



Tfworetical Duty for each Unit of Heat transmitted, 440* 

 foot-pounds. 



* [Note added March 15, 1881. Total work for thermal unit, 1390 

 (Joule), 377.1 corrected by the dynamical theory, March 15, 1851. 

 377.1= .2713X1390, 

 853 = .1820 X 1390 = X 1390.] 



