Vinal, George Wood. <br/><br/>
Electrical characteristics and testing of dry cells. 

 - Washington :  Govt. print. off.,  1919. 
 - 44 p. :  ill., tables, diagrs. front.  28 cm. 
 - Circular of the Bureau of Standards ;  no. 79. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric batteries.