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 221
Figs. 1,086 to 1.089.—The Champion Accumulator; views showing parts and assembly.Fig. l.OSO. empty plate; fig. 1,0S7, filled plate; fig. 1.088, complete element, small type;fig 1,089, cell assembled. The plates are of the envelope type and are made thick. Theactive material is held firmly in place…
Electrical engineering
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