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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 307

An illustration from 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, leaf 307
s. Edison uses a solution ofpotash which does not attack theplates but really preserves them.Therefore, the battery can be leftstanding in a charged or unchargedcondition for an indefinite periodwithout losing its good properties.The specific gravity of this electro-lyte does not change with charge… … Fig. 37. Complete Negative PlateCourtesy of Edison Storage Battery Company 274 STORAGE BATTERIES 67 Plates. The plates do not consist of lead, as in the ordinarystorage battery, but of nickel, iron oxide, and steel. For the nega-

Electrical engineering

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