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 318
tems electrostaticvoltmeters are to beOn systemshaving some point per-manently earthed at thestation, as for instance theneutral wire ol direct currentor the neutral point•e phase system, anammeter connected in theearth wire will serve as arough guide. It should in-dicate no current so long asthe… … c ic. 2,581.—Westinghouse three phase electrostatic ground detector. 1,838 HAWKIXS ELECTRICITY
Electrical engineering
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