Manchester Memoirs, Vol. Ixv. (1921), No. 2 



P a - 



cn 



<o 

 <o 

 bJ 



CL, 



...I. 



T ? 







A 





1 \ 



• \ 

 1 \ 



FIG.I. 





...J, 



1 \ 









\ 1 

 \ t 



\ • 



l 



X<S^-(3U=C 



~— " T 3 





: c*- 



hir^o""" ' — — 



! T 4 



t 

 1 



p^=c 



Vo V z 



VOLUME 



u^ 



P3 



P4 



Expressing all temperatures in terms of T 4 the following- 

 relations result : — 



T = T,rn-i 



T x = aTj*-i f where a =^A 

 n 4 r n_1 (where p = — ) 



To= anT 



-^ 3 — 



