274 



BASKERVILLE— RATE OF EVAPORATION. 



[April 23, 



the author^* and were neutral. The other oils were purchased in the 

 open market. 



The experimental work was carried out by Mr. Hyman Storch, 

 under my direction. 



Chart II. 



The data obtained for the 25, 50 and 75 per cent, mixtures vege- 

 table and animal oils are shown graphically in Charts I., II. and 

 III. In the curves the abscissae show the percentage of ether 

 evaporated (based on volume measurements) and the ordinates time 

 of the evaporation. 



Chart IV. (selected at random from charts made for each oil) 

 shows the difiference in rate of evaporation 25, 50 and 75 per cent, 

 mixtures with one oil. 



1* " Refining Oils," Oil, Paint and Drug Reporter, May, 1915. 



