1169 



According to Nernst the curve would be represented bya«traight 

 line "'), which apparently gives a very insufficient approximation. 

 A more detailed examination gives rise to the following i-eniarks. 



Fig. 2. 

 X : All ={u')p,_/' — {w)rt-m 



□ : Ayr = (uO,, - (»'),« 

 \/ : A,- ={w),,~{w),,. 

 1). In tig. 2 the differences A between the following wires are 

 plotted as a function of the temperature 

 (a) » • . • . • • Ai = ('<')pn' — HPr32(Pr/?) 

 1) W. Nernst, Sitz. Ber. Berl. Akad. 1911, p. 314. 



ivu = ^ ; therefore mij_m,jj — — ^ ^ — = /. . (1 — wi) . . (2j 



putting /' 



1— ;. 



1— A 



\ — \ 



Gomp. note 3 on p. 1163. 



