182 



THE ELECTRICAL RESISTANCE AND 



TABLE III. 











Jan. 24, 25, 26, 



191 1. 



Time 



Temp. 



Shunt 



Voltage 

 20.9 



Deflection | 



Right 



I.eft 



13 



Jan. 24- 



- 4.15 





1 ohm. ! 



9 





4.45 





" \ 



iC 



6 



15 





4.50 





" ; 



40.7 





27.5 





8.0 





" 



20.9 





3.5 





10.00 





40 



1 1 " i 



1020 



106.0 



" 25- 



-10.45 

 12.00. 

 12.35 



-.5°C 



30 



u 1 



I cc 1 



1 140*-65 

 1 73-23 

 80.-29 



83-37 





1.00 



« 



C( 



" 



16 







2.00 



+ 1° 



- 



." 



175-158 





" 26- 



-10.25 

 10.30 



-6" 



c, 



<c 



20.1 cells 



17-15 



1 '' 



19-15 



1 



10.45 



ti 



" 



40.7 



102-23 







12.50 



-5° 



cc 



10 cells 



1 15-16^ 





" The current took 10 seconds to fall from "140-65" in value, 

 t The current took 3 second,-; to fall from 73-23 in value. 



In the 2nd column we have the temp, of air beside the ice, recorded. 



In the last column the deflections of the gal., and the deflections when the cur- 

 rent is reversed, are given. 



polarization, the phenomena we have here to treat of, are quite 

 different from the so-called electrolytic polarization effects. 

 Avrton and Perry^ noticed similar effects on reversal, and on 

 short-circntino' their ^'cell," (see page 128). In one case, it -will 

 be seen that on short-circuiting their cell, the current increased 

 about 175^ of its original value. Similar results were con- 

 sistentlv obtained bv the writer. 



1. Loo. cii. 



