Mr. Lubbock on the Heat of Vapours, fyc. 273 



From these observations I take the following data for aether : — 

 p = 1 6 = 73° 



/= 16^00 0„ =n8O 



£j=i = [0-1523534]. 



Hence for aether 







/3 = - -03153 



y = 1-032. 



3 E = -67086. 



For alcohol 







p = l 





6 = 141-0° 



,__ 97-10 

 ;J " 30 





& = 200-0° 



,. 166*10 

 P = 30 





6"= 232-0° 



|»"'- 1 

 //* - 1 ' 



= [0-1830354]. 



/3 = -04025 y 



= -96131 



23 = 1-55796. 



For petroleum 







^ = 1 





6 = 284° 



, __ 46-86 

 P ' 30 





6"= 318° 



n 6 * 

 * 30 





6" = 343° 



jf'- 1 . 



p* - 1 ' 



= [0-2259762], 



/3=- 0-6268 y=l-0668 £ = -35294. 



Fhil Mag, S. 3. Vol. 17. No. 1 10. Oct. 1840, T 



