Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 599
originaldemonstration of the current set up in a conductor passedthrough a magnetic field; and it is asserted by Sir William Sie-mens as a fact ascertained by careful tests, that the^e machinesgive the highest yield of electrical energy for a given expendi-ture of mechanical power. Fig. 875… … 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…
Electrical engineering
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