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 298
urs.The frame should be rigid and free from vibration, so that thebearings will be at all times in perfect alignment. Initial friction is unavoidable in any meter construction and can beeasily compensated for. A change in the initial friction, however, dueto wear of bearings, makes readjustment… … FlG. 2,550.—-Canadian dial of Sangamo singie phase induction watt hour meter. It has a smalltest circle indicating one kilowatt hour per revolution in all sizes where the first regularcircle indicates 10. This is provided to conform with the requirements of the Canadiangovernment and it is intended…
Electrical engineering
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