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 251
rc supply. The life of the valve depends somewhatupon its size, being longer in the small sizes and never, with fair usage, less than 1,000 hours. RECTIFIERS 1,509 vapor. Current can readily pass from either of the solidelectrodes to the mercury vapor and from it to the mercuryelectrode, but when… … HIGH TENSION CIRCUIT vio. 2,095.—Three phase mercury arc rectifier. The rectifier bulb is provided with threepositive electrodes or anodes, a negative electrode or cathode, and a starting anode, asshown. The three phase leads are connected to the anodes at the top of the bulb, abranch from one…
Electrical engineering
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