56 



PROCEEDINGS OF THE AMERICAN ACADEMY. 



atmos.; 0.0370 against 0.0379 between 500 and 1000; 0.0272 against 

 0,0275 between 1000 and 1500; and 0.0216 against 0.0215 between 



TABLE IX. 



Volume of Ether. 



1500 and 2000. It may be expected, therefore, that the low pres- 

 sure values of the various thermodynamic properties are rather more 

 than usually accurate for ether. 



