( 171 ) 

 TABLE VI. 



Ill fig. 3 it is gmpliically represented. 



Both the eiirves haxe a very simple shape. They turn (heir cuii- 

 ca\'e side to tiie ,/'-a.\is. Tiie \'apour is always richer in the admixture 

 than the liquid. The greatest diiference between ,i;^ and .r., is about 0,190. 



Both the curves are now compared with the differential equations: 



P d.v^ .v^{l—x^) 



Tiie results are given in table VII and table VIII : 



TABLE VII. 



12 



Proceedings Royal Acad. Amsleidam. Vol. VII. 



