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 122
c — u 2 Be ^ cMr:: .« o c >.— C i) ZX —7 o - = =3 c - = o =-S=3 ^ 5 5^ =« ♦^ act ^=JSg-£2SE Soc£■5^-5; i ki d u ct AMMETERS. VOLTMETERS. AND WATTMETERS 541 Ones. How does the winding differ in ammeters andvoltmeters ? Ans. An ammeter coil consists of a few turns of heavy wire(when designed to… … Fig. 623.—New moving element of Keystone instruments, weight 1.2 grams. Fig. 624.—Mo\ing element of Keystone instruments assembled in bearing. The movingelement consists of coil, counterpoise and pointer. The mechanical connections are madeby means of screws and steady pins. In order to adjust for…
Electrical engineering
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