Prof. Thomson on the Dynamical Theory of Heat. 113 



Table I *. — Mean Values of /i for the successive Degrees of the 

 Air Thermometer from 0^ to 230°. 



* The numbers here tabulated may also be regarded as the active values 

 of ,1 for t=l, t=\i, t=2i, 1=31, &c. 



Phil. May. S. 4. Vol. 4. No. 23. Auy. 1852. 



