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 134
aft and astaticallyarranged. Two small pieces of magnetic metal are rigidly AMMETERS, VOLTMETERS. AND WATTMETERS 553 mounted on the shaft and the astatic components of the magneticfield, which are perpendicular to the shaft, tend to keep the piecesof magnetic metal in their initial positions. When… … Fig. 041 to 642.—Multipliers for Weston standard portable voltmeters. Multipliers are re-sistance bo.xes, the coils in which are highly insulated, and are adjusted so that the readingsof the instrument may be multiplied by any desired constant. Multipliers are usuallyconstructed so that the…
Electrical engineering
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