MATTER FORMED OF SMALL PARTICLES 



105 



Diagrams slwwing that Boyle's law is not quite true. The product of he 

 numerical values of pressure and volume, p v, varies with pressure as 

 shown. From Amagafs observations. 



NITROGEN. 



20 40 60 



I 120 14-0 160 ISO 200 220 240 260 280 300 320 



press lire 4 



HYDROGEN. 



80 100 120 140 160 l0 200 220 240 260 28C 



pre*sttre> 



Fig. 37. 



is, the magnitude of any given volume and of any given 

 pressure is graphically represented by the magnitude of linear 

 Distance in the direction a b and a c respectively. The^ results 



