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 492
technicallyknown as stripping. 3,146 HAWKINS ELECTRICITY Current Supply for Electro-plating.—Low pressure directcurrent is used for this purpose, the pressure used being from 1to 16 volts, depending upon the nature of the electrolyte em-ployed, and the rate at which the plating is accomplished.… … Fig. 4,545. — Smee cell with carbon plates for use with silver and gold plating solutions.Directions: Amalgamate the zincs and fill the jar to within about one inch of the woodensupport with a mixture of 1 part oil of vitriol to 10 parts water. After using removezincs and carbon, and wash them in…
Electrical engineering
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