Alternate Current Electrolysis. 



409 



From observations of the values of the E.M.F. across the cells C, C 

 at different times in a period, a Curve A (figs. 2, 3, 4) was plotted, 

 giving potential in terms of time. 



Fm. 2. 



Fia. 3. 



2 F 2 



