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 286
INDICATING DEVICES 1,805 Ques. What is the objection to the commutator meter? Ans. The complication of commutator and brushes, and thefact that the friction of the brushes is likely to affect the accuracyof the meter. … Fig. 2,536.—Diagram of Fort Wayne, induction watt hour meter. It is designed to register theenergy of alternating current circuits regardless of the power factor, and embodies the usualinduction motor, eddy current generator and registering mechanism. The electrical arrange-ment of the meter…
Electrical engineering
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