International Library of Technology · Scranton, International Textbook Co. · leaf 310
zincplates Z, Z, which arehung from each sideof a lug on the por-celain cover of thejar. The sides of thecopper frame of theoxide plate are car-ried up through thecover supporting theplate, and form ter-minals B, B, either ofwhich may be usedas the positive ter-minal of the cell.The copper frame… … Fig. 1053. BATTERIES. 1745 A heavy paraffin oil is used in this cell to prevent theaction of the air on the solution; the oil layer is representedin Fig. 1053. The cell shown is 5^ in. X 8^ in., outside dimensions, andwill give a current of 3 amperes at a potential of about .7volt for 50 hours,…
Electrical engineering
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