Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 763
of a reversibleSiemens machine of 20 horse-power. A diminution of speed inthe ratio of 1 to 9 is obtained by an endless chain transmission.The machine is controlled by a manoeuvring lever shown in fig. 742 THE ELECTRICAL TRANSMISSION OF POWER. 483. In the vertical position the brake is unlocked,… … Fig. 483. as tlie lever is pushed in one direction or the other. When it isin this position of rest it locks the brake at the same time. Thereis a second lever, which is arranged for reversing the direction,by acting upon the brushes of the electro dynamic motor; and ELECTRIC RAILWAY OPERATED BY…
Electrical engineering
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