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 66
Figs. 44 and 45.—Leclanche cell and porous cup. This very common form of cell is anexample of the single fluid type, with a solid depolarizer surrounding the negative element;the latter is generally carbon, the positive element being zinc. The liquid used is a strongsolution of ammonium chloride,…
Electrical engineering
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