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- · New York, T. Audel · leaf 243
ntAMSFORMrn … Figs.; >.—Mohawk electrolytic rectiier. To rutin ::~: ..- distilled or rain water. Add six pounds of electro salts, stir and after all salts aredissolved place the cover in position. The specific gr a be solution should be 1.125. i he middle iron er::?: ir mast hang straight i -:. in the…
Electrical engineering
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