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 529
with a jet of water, and the mould placed inthe depositing vat, being so hung that the coppered part faces the anode. The time required for the production of the copper shell variesconsiderably in different establishments. When the electrolyte is ingood condition, and is heated to the correct… … Figs. 4,605 and 4,606.—U. S. electro plating barrel. Fig. 4,605, view while plating; fig. 4,606,view while emptying. It empties by lifting a lever which reverses the motion of the barrel. When a sufficiently thick deposit has been obtained (and this varieswith the work for which the electrotype is…
Electrical engineering
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