94 ROYAL SOCIETY OF CANADA 
ducted to the testing vessel. When V is increased 7 is deceeased, and 
following from the condition for a maximum, viz: 
AV 
oe V+ WwW? 
log — v 
160 2 A = 
Earl 

420 
FOR AMPS. 
Ca 
—/ 
100 
x 436-S5x%/0 




IONIZATION CURRENT, 
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4 must be increased to give the maximum ionization Current. 
We learn 
from this that, in experimenting to compare the absorption by different 
