Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 73
>>H O O Si W a.W .3 ELECTRICITY AND MAGNETISM 49 … difference between a commerical storage cell and the two lead plates just considered, is that the former is provided in the process of manufacture with a very much thicker coat of the active material (lead peroxide on the positive plate, and a porous, spongy lead on the negative) than can be formed…
Electrical engineering
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