Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 588
wer each, at a speed of 850 revolu-tions per minute,—being one of the largest machines in lightingcapacity, although not in weight, of any in use. It is sometimes important to arrange a machine so as to be ALTENECK S DRUM ARMATURE MACHINE. 567 able to stop its running by shifting tlie belt, without… … Fig. 365. be bolted back of the machine, so as to hold the loose pulleyconcentric with the driving pulley of the machine. It is fittedwith a stationary oil-cup, so arranged as to allow the bearing ofthe loose pulley to be oiled while in motion. ALTENECKs drum ARMATURE MACHINE. The armature of this…
Electrical engineering
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