1883.] the Electromotive Force and Resistance of Batteries. 



Heating commenced. 



Heating stopped. 



poured in the vessel. 

 Experiments stopped and everything left 



3 



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Copper 

 sulphate 

 solution. 





i 



Hour. 



11 A.M. 



7 P.M. 

 10.30 A.M. 



1 



Dec. 9 



Dec. 9 

 Dec. 11 



