858 Mr Noda, Ionization of gases exposed simultaneously to 



Experiment 1. 





Divergence of 



Potential in volts 



electrometer in 





scale divisions 



39-0 



11-0 



59-0 



20-8 



78-0 



32-2 



990 



47-0 



116-0 



60-0 



138-0 



80-0 



Therefore the fall of potential corresponding to the decrease of 

 divergence from 80 to 47 of the scale is equal to that corresponding 

 to the decrease from 47 to 21 '4. 



Experiments 2, 3, 4. 





Time in sec. required by the electrometer 

 in falling in potential 



■ ! 



Ratio 





from 80 to 47 



from 47 to 21-4 





Exp. 2. 



19-0 

 19-2 

 19-6 

 18-3 



17-8 



22-0 

 21-6 

 22-9 

 20-6 

 20-5 



1-16 

 1-13 

 117 

 1-13 

 1-15 



Meanj g 

 valuej 



Exp. 3. 



31-5 

 29-8 

 30-0 

 29-6 



32-7 

 31-0 

 31-5 

 31-6 



1-04 

 1-04 

 1-05 

 1-07 



Meanj 

 valuej 



Exp. 4. 



118-5 

 117-3 

 111-4 

 110-0 



116-8 

 112-7 

 114-6 

 114-0 



•986 



•961 



1-029 



1-036 



Meanj ^3 

 valuej 



