196 



Mr. J. Daniel on the Polarization upon d 



Sample page of my note-book, showing how the observa- 

 tions were recorded and the tables obtained from them : — 



#7 gold in 30 per cent. H 2 S0 4 . 



Zero 



of 



scale. 



Scale- 

 read- 

 ing. 



Deflex- 

 ion, 



a. 



Shunt, 



Auxiliary 

 resist- 

 ance, 

 E. 



Branch 

 resist- 

 ance, 

 r 2- 



Sensi- 

 bility for 

 1 ohm, 

 a. 



Change 

 of resist- 

 ance, 

 w. 



Polariza- 

 tion, 

 Iw=x. 



X. 



337-5 



940 

















336 



939 



603 



1 



28 



1100 



20 



•1 



•014 



338 



981 

















336 



981 



644 



2 



55 



5) 



12 



•02 



•016 



338 



974 

















337 



973 



636 



3 



85 



>> 



7-5 











338 



976 

















337 



977 



639 



5 



143 



)) 



5 











338 



984 

















337 



983-5 



646 



10 



287 



>> 



2-5 



•2 



•003 



337 



958-5 

















337 



958-5 



621 



20 



597 



>) 



1 



1-0 



•008 



The jp 7 gold removed with a glass rod, not opening circuit. 



Zero 



of 

 scale. 



Scale- 

 reading. 



Deflex- 

 ion, 



Shunt, 



Auxiliary 

 resist- 

 ance, 



Branch 

 resist- 

 ance, 



Current, 

 I. 







a. 



r v 



E. 



r 2- 





336 



940-5 













336 



942 



605 



1 



28 



1100 



•1492 



336 



979-3 













336 



981-3 



644-3 



2 



55 



>> 



•0795 



336 



972 













336 



972 



636 



3 



85 



5J 



•0524 



336-5 



975 













336 



976 



639 



5 



143 



H 



•0316 



336-5 



981-5 













336 



982 



645 



10 



287 



)J 



•0161 



336 



956-5 













336 



956-5 



620 



20 



597 



>> 



•0078 



The two readings in each case are for decreasing and 

 increasing current respectively. 



