THE THERMODYNAMICAL PROPERTIES OP SUPERHEATED STEAM. 33 



TABLE VII. 



I I 



which, since CK P may be taken as constant, is capable of direct integration. Thus 

 we have 



(dv\ g + CKp 

 \<flj r ~ IT 



Hence, integrating under constant pressure we get from 



dv rfT 



the result 



v + CKp 



7* -f* (_' IV p 



ip = constant for any particular pressure. 



This expression 



t> + CK, 



, 

 = A 



VOL. CXCIV. A. 



