446 K. Tsuruta on some Thermal Properties of 



The isothermals in fig. 1 are plotted from these numbers, 

 of which those distinguished by stars are simply supplied 

 from the characteristic equation. They are considerably re- 

 moved from the critical temperature of the mixture, which was 



Fta. 1. 



300 ■■ 



The Isothermals. 











2.50 (H1MI 







PI 







201 1 ^MwM«i - - m 







ten 







■Wl 







■p 







urn 



IHHI 





■H 



^P" 





100 55 B . S a~J&\^- : jjl.\;>. ■ 



i^SH 







■^ 





50 ■* V " , r. ; V v "' ' 



il Bfi£ 



aPBM 



•015 



found 

 are so 

 not go 

 within 

 range. 



by Andrews to be below —20°. Inasmuch as they 

 regular over a wide range of temperature, we shall 

 far wrong in extending our results of measurements 

 a few degrees of temperature above and below that 



