Nolan — Mobilities of Ions Produced by Spraying. 



13 



sidered with reference to the axes shown in the figure. In figures 3 and 4, 

 therefore, we have examples of the determination of the mobilities of five 

 different ions. 



Volts 

 Fig. 3. 



HohiMies. 



© 

 @ 



ooo 3 7 



® 



■00088 

 ■ ooo 9/ 



Mohdihes 



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0013 



@ 



OiS 



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O'ff 



I'oUis. 



I'lO. 4. 



It is convenient, before continuing the investigation of the current-voltage 

 curve, to examine further the five classes of ions which we have shown to 

 exist so far. 



