Thomälen, Adolf, 1865-, Thomälen Adolf. Kurzes Lehrbuch der Electrotechnik. English · London, E. Arnold · leaf 121
Fig. 90 … clearness, these rings are shown one over the other in Fig. 90, instead ofside by side. Two fixed brushes are held by springs against the slip-ringsand maintain the connection between the coil and the external circuit. On rotating the iron cyUnder or armature between the poles of a magnet,the wires…
Electrical engineering
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