Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 600
altenecks altebnating current machine. 579 induced coil is kept further away from the ground, and by hav-ing double collecting brushes for each pole, which enables onemetallic part of the collector to be always in contact with one ofthe brushes when the other meets an insulated part, thus… … Mg, 376. fixed to two cast-iron rings, sixteen on each side of the movablearmature. The extremity of the core of each electro-magnetcarries a small iron plate, constituting an enlargement of thepole, and thus facilitating induction ; these poles are alternatelyof inverse sense. The armature…
Electrical engineering
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