Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 723
vertically, their lower ends entering two small cavities made iathe base of the apparatus. The circuit is thus continuous withtwo ends at opposite points of the same diameter. The ring isabout l^ig- inches thick, and is fixed to two wooden columns bytwo blocks of copper. If a battery be connected… … Fig. 466. Fig. 467. is also provided with a series of six projecting pieces, which, intheir rotation, pass in succession very close to the projecting polepieces of the outer ring. In the intermediate spaces the distancebetween the coils of the inner and outer ring is half an inch.The inner ring is…
Electrical engineering
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