H. KAMERLINGH ONNES and C. ZAKRZEWSKI. „Contributions to the knowledge 

 of VAN DER WAALS' : -surface. IX. The conditions of coexistence of binary 

 mixtures of normal substances according to the law of corresponding states." 



l.G 



fig. 2. 



^fctx 



fig. 5. 



2 

 3i 



ip 



Proceedings Royal Acad. Amsterdam. Vol. VU. 



