A dictionary of electrical words, terms and phrases (1898)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W. J. Johnston company · leaf 558
temperature.It is also capable of being used to measure thepotential difference of alternating currents. Voltmeter, Closed-Circuit A volt-meter in which the points of the circuit, be-tween which the potential difference is to bemeasured, are connected with a closed coilor circuit, and which gives… … Fig. 563. Weston Standard Voltmeter. Voltmeter, Electro-Magnetic —A form of voltmeter in which the differenceof potential is measured by the movement ofa magnetic needle in the field of an electro-magnet. (See Voltmeter?) Voltmeter, Gravity A form of volt-meter in which the potential difference…
Electricity · Electrical engineering
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