540 



Mr. J. P. Dalton on the Specific 



above equation, and determining <p(0) by this method the 

 following results (plotted in fig. 2) were obtained : — 



0. 



"VOD. 



e. 



Too. 



0-5924 



1-0735 ! 



0-9180 



1-1310 



0-6359 



1-0816 



0-9397 



11201 



0-6793 



1-0966 



0-9614 



1-1089 



0-7227 



11121 



09722 



10879 



0-7661 



11314 



0-9831 



1-0708 



0-8094 



1-1350 



0-9896 



1-0533 



0-8529 



1-1387 



0-9961 



10363 



0-8746 



1-1377 



0-9983 



1-0219 



08963 



11368 















Fig. 



2. 









10 



































•a 



-6 



•4 

 •2 

 































































/- 







•lO'O 102. I'04 1-06 108 MO 1-12 1-14- 1-16 



The general features of the diagram show fair agreement 

 with that deduced from the equation of: state. In this case, 

 however, a still lower value of 700 is necessary to render 

 possible an inversion point. From the diagram the following 

 *' Table of Inversion Temperatures for Normal Substances M 

 has been derived: — 



7=0. 



e, 



2 - 



102 



0-19 



0-995 



104 



0-375 



0-99 



1-06 



0-515 



0-985 



1-08 



062 



0-98 



1-10 



0-69 



096 



112 



0-74 



0-94 



1139 



0-835 



0-835 



