| BB 
eed | , i le 
Tinv. (¢ =0) | |v. D. WAALS Crausius- 
| [user Up tele doublets | (ay, and by, const.) | Beren 
Ife = SS SS = == —<—— a = ie a a | 
| 0.5 RU eK 0.000 | — 0.333 | 
0.6 | 40.147 | + 0.0115 -L 0.167 | + 0.04 | 
| 
between them. 
§ 3. Hydrogen. In Fig. 1 the experimental data concerning B for 
hydrogen (comp. Suppl. N°. 39a $ 5) are compared with the values 
calculated for quadruplets and for doublets. As before the different 
curves are made to agree at the inversion point for the JouLE-KELVIN 
effect at small densities. 
lA 
En 
\2 
06 
a4 
a2 ti Laer es 
© He HYDROGEN. 
+ QUADRUPLETS 
f | x DOUBLETS 
go if _.---CLAUSIUS.BERTHELOT. 
-04 
or | 
-O5 
a 
-08 
Fig. 1. 
