598 PROCEEDINGS OF THE AMERICAN ACADEMY. 



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W 20" SO' 10° 50' 60 



TEMPERATURE. 



Figure 4. Temperature-resistance curves for electrolyte and cell. 



sistance does not decrease as rapidly with rise of temperature as does 

 the acid. As a matter of fact the two points at zero do not fall 

 together. So it is evident that both at high and low temperatures the 

 cell resistance is higher than that calculated for the pure acid. This 

 figure indicates merely the shape of the two curves with reference to 



