270 



TABLES 300,301. 

 TABLE 300. Thermoelectric Power against Platinum. 



One junction is supposed to be at oC; + indicates that the current flows from the o junction 

 into the platinum. The rhodium and iridium were rolled, the other metals drawn.* 



Holborn and Day. 



TABLE 301. Thermal E. M. F of Pure Platinum Against Platinum-Rhodium Alloys, In Millivolts * 



* Carnegie Institution, Pub. 157, 1911. 

 J Holborn and Day, mean value, 1899. 



SMITHSONIAN TABLES. 



t Holborn and Wien, 1892. 



