Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 224
Fig. 1,092.—The Exide storage cell. The positive and negative plates are separated by thinsheets of perforated hard rubber, placed on both sides of each positive plate. The electro-lyte and plates are contained in a hard rubber jar. Fig. 1.093.—An Exide batters- of five cells. The box which holds…
Electrical engineering
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