H. KAMERLINGH ONNES and W H KEESOM. 'Contributions to the knowledge of the 4-surface 

 o! VAN DER WAALS. XVI. On the gasphase sinking ii the liquid phs.se for binary mixtures 

 in the case that the molecules of one component exert only a feeble attraction." 



Fig 1. 



Fig. 2. 



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Fig. 6. 



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Proceedings Royal Acad. Amsterdam \"l X 



