Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 35
riUO LIGHT. of Paris, and Tvliicli at one time promised to become of veryextensive aj^plication Un light-house purposes. In this niachiut th(M-e are eight rows of compound horseshoemagnets lixed symmetrically around a cast iron frame. They areso arranged that the opjxx^ite poles always succeed each… … Fig. 11. the axis being driven by steam power, transmitted by a pulleyand belt The speed of rotation is usually 850 revolutions of theaxis per minute. Each of the six bronze wheels carries, at itscircumference, sixteen coils, corresponding to the number of polesin each circular set. The core of…
Electrical engineering
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