172 



DAY AND SOSMAN: NITROGEN THERMOMETER SCALE 



mometer, provided enough heat was supplied to fill the tube with 

 vapor. During some of the measurements, the vapor escaped 

 freely between the glass tube and aluminum cover and burned 

 there. 



TABLE I 

 Gas Thermometer Measurements in Nitrate Bath 



Benzophenone, boiling point 



Antimony, melting point 



1 Copper-constantan thermo-element. 



2 Wide temperature variation on manometer, 

 mean. 



This value is omitted from the 



