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), 1833-1928 · New York : T. Audel & Co. · leaf 81
Figs. 58 to 63.—Various zincs; fig. 58 Fuller; fig. 59 Daniel; fig. 60 Leclanche square; fig. 61Leclanche round; fig. 62 Sampson; fig. 63, bottle. 6. The average voltage of a dry cell when new is one and one-halfvolts, while the amperage ranges from about twenty-five to fifty amperesaccording to…
Electrical engineering
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