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 271
V Fig. 2,121.—Diagram showing essential features of Premier Ampero electromagnetic rectifier.Details of construction and principles of operation are given in the accompanying text. The other direct current terminal T is connected to thecenter of the transformer secondary at t; and CS and CS… … «f#W Fig. 2,122.—Diagram of General Electric (Batten) electro-magnetic rectifier. It is desirablefor light and occasional service, where direct current is required but only an alternatingsupply is available, being used for charging storage batteries, exciting spark toils, per-forming electrolytic…
Electrical engineering
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