Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 668
ver, then, as the switch stands, there arethree of the resistance coils included in the field magnet circuit.In one of the shunt-wound machines, the switch lever of thefield resistance regulator was attached by way of experiment tothe brush-holding ring, and thus the same movement sufficed to THE… … Fig. 432. Mg. 433 attendant to determine readily the amount of current in circuitand see how perfectly the regulation of the supply of current iseffected. The current is made to pass up or down through aflat strip of copper placed between two magnetic needles swing-ing on the same pivot, and…
Electrical engineering
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