TABLES 224-226. 

 MECHANICAL EQUIVALENT OF HEAT, 



TABLE 224. -Summary. 



227 



Taken from J. S. Ames, L'equivalent mecanique de la chaleur, Rapports presentes au congres 

 international du physique, Paris, 1900. 



TABLE 225. Reduced to Gramme-calory at 20 0. (Nitrogen thermometer). 



* Admitting an error of r part per 1000 in the electrical scale. 



The mean of the last four then gives 

 1 small (20 G.) calory = 4.181 X io 7 ergs. 



TABLE 226. -Conversion Factors for Units of Work. 



SMITHSONIAN TABLES. 



