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 480
extracting copper, nickel, tin, and zinc. 3,134 HAWKINS ELECTRICITY Alkali and Bleach.—The term alkali denotes, in the chemicalindustry, sodium or potassium hydrate or carbonate, whilebleach denotes hypochlorite of lime. When an electric current is passed through a solution of sodiumchloride in… … Fig. 4,529.—Electrolysis of copper. Fill the U shaped glass tube shown above, with a solutionB, made by dissolving some crystals of copper sulphate or bluestone. Immerse in thesolution two platinum electrodes C and D, attached to the copper wires E and F, sealedin the glass tube G and H, which are…
Electrical engineering
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