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 280
. 2,522, smallest switchboard type; fig. 2.523, port-able type; fig. 2,524, combination voltmeter and ammeter in one case; fig. 2,525, verticaltype; fig. 2,526, polyphase type. IXDICATIXG DEVICES 1,799 Watt Hour Meters.—A watt hour meter is a watt meterthat will register the watt hours expended… … Fig. 2,527—Interior Weston single phase wattmeter. The general appearance of the dynamo-meter movement and the relative positions of the various parts are clearly shown. Theparts are assembled on one base, the whole movement being removable by unfasteningtwo bolts. The fixed ^indinft is made up of…
Electrical engineering
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