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 72
th of time. The zinc is slowly consumed throughthe mercury coating. Grenet Bichromate Cell.—In this cell, as shown in figs. 49 and50, the positive element is zinc and the negative element carbon. 52 HAWKINS ELECTRICITY The electrolyte is a solution of bichromate of potash in a mix-ture of sulphuric…
Electrical engineering
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