Electricity experimentally and practically applied; a book for the beginner and for the practical man, principles, experiments, practical applications and problems (1910)
Ashe, Sydney Whitmore · New York, D. Van Nostrand company · leaf 64
the movable po-tential coil tends to setitself parallel to the cur-rent coil. The otherstructural features are sim-ilar to those of the ammeterand voltmeter. Weston Indicating Watt-meter. ^ In this type ofinstrument, Fig. 73, thereare two coils, one fixed, the Fig. 73.-Weston Wattmeter Movement.… … ELECTRO-MA GNETISM 43
Electricity · Electrical engineering
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