44 



Dr. T. Andrews on the Continuity of the [June 17, 



The diminution of volume is at the same time much greater than if that 

 law held good. 



The results just described are represented in a graphical form in the 

 figure given below. Equal volumes of air and carbonic acid, measured at 



0° C. and 760 millimetres, when compressed at the temperatures marked 

 on each curve, undergo the changes of volume indicated by the form of the 

 curve. The figures at the top and bottom indicate the approximate pres- 



