H. KAMERLINGH DNNES and Mi«s T C. JOLLES. Contributions to the knowledge of the j,-surface of van deh Waai 

 XIV. Graphical deduction of the results of KuenEn's experiments on mixtures of ethane and nitrous oxide. 



Plate IV. 



. 



Fig. 5. 

 Royal Acad. Amsterdam. Vol. IX 



