Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 728
rt containingno iron, and the effects due to the magnetic inertia of that metalare therefore obviated. DEPREZ MOTOR. This apparatus is composed of a horseshoe magnet formed ofeight superposed plates. Between the poles of this magnet is aSiemens cylindrical armature, fig. 470, the axis of which is… … Fig. 470. which is connected with one of the semicircles of brass whichform the commutator (seen to the right in fig. 470). The cur-rent reaches the commutator through brushes made of fine brasswire. The province of the commutator is to cause a change inthe direction of the current at every half…
Electrical engineering
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