1888.] Specific Pleats of Gases at constant Volume. 



35 



Table I. 



Weight of Air in the Sphere = 5'4816 grammes. 

 Pressure at 100 C. about 27,700 mm. of Mercury. 



W 



Density = - = 0'03458. 



Table II. 



Weight of Air in the Sphere = 4"3084 grammes. 

 Pressure at 100 C. about 21,800 mm. of Mercury. 



W 



Density = - = 0'027182. 



Table III. 



Weight of Air in Sphere = 3'1357 grammes. 

 Pressure at 100 C. about 15,890 mm. of Mercury. 



W 



Density = - = 0'019784. 



D 2 



