Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 718
ent and Marie devised electro motors, inwhich a wheel, furnished at its circumference with armaturesor with electro magnets, rolls against the interior surface of acircle, tangent to the poles of electro magnets, fixed symmet-rically all around. The movable wheel imparts a movement ofrotation to… … Fig. 462. Larmanjeat obtained better results by a different arrangement.Fig. 462 represents this apparatus. The armatures are cylindersof soft iron, M, able to turn around their axes, which arefixed, and are placed parallel to each other, so as toform a cylinder, about a yard in length, the…
Electrical engineering
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