j. E, VERSCHAFFELT. “Contributions to the knowledge of van der Waals’ yf-surface. VII. The equation of state and the surface in the immediate neighbourhood of the critical state for binary 
î mixtures with a small proportion of one of the components.” 
0 0, RT ky a mt 1 1 Mer > Oa 0, RIK a nd, TZ Te Mor > 
ig my, <0, «0, RI sk, 
SU, RPP Gomer TS Ti. Mes S 
Fig. 0, Fig. 11 ig. 12 
Proceedings Royal Acad. Amsterdam. Vol. V 
