a Fluid passliKj through a Porous Plug. 895 



In calculating the reduced values the critical temperature 

 is taken as 30°*3 C. and the critical pressure as 73 atmospheres. 



Fio-. 4. 



f>A 



CARBON DIOXIDE 



These inversion-points are also .shown by the small circles 

 on fig. 3 ; so that comparison may be made with DietericPs 

 equation. 



Again, the general alignment of the curve is the same as 

 that of Dieterici's theoretic curve. Moreover, the agreement 

 can again be made much closer by choosing a somewhat 

 different value for the index n. It is most interesting to 



