Tables 302-304. 

 TABLE 302. - Peltier Effect. 



271 



The coefficient of Peltier effect may be calculated from the constants A and B of Table 298, 

 as there shown. Experimental results, expressed in slightly different units, are here given. The 

 figures are for the heat production at a junction of copper and the metal named, in calories per 

 ampere-hour. The current flowing from copper to the metal named, a positive sign indicates 

 a warming of the junction. The temperature not being stated by either author, and Le Roux not 

 giving the algebraic signs, these results are not of great value. 



* " Wied. Ann.'' vol. 34, p. 767. 



t " Ann. de Chim. at de Phys.'' (4) vol. 10, p. 201. 



t Becquerel's antimonjr is S06 parts Sb -)- 406 parts Zn -|- 121 parts Bi. 



§ Becquerel's bismuth is 10 parts Bi + i part Sb. 



TABLE 303. — PelUer Effect, Fe-Constantan, Nl-Cn, — 660° C 



TABLE 304. — Peltier Electromotive Force In UlUlTolts. 



Le Roux, 1867; Jahn, 1888; Edlund, 1870-71 ; Caswell, Phys. Rev. 33, p. 381, 191 1. 

 Smithsonian Tables. 



