Dynamos and motors; a text book for colleges and technical schools (1911)
Franklin, William S. (William Suddards), 1863-1930, Esty, William, 1868-1928 · New York The Macmillan company · leaf 162
rough track athigh speed, but at the same time the car axle and the armature shaftare at a fixed distance apart, so as to accommodate the spur gearswhich transmit power from the armature to the axle. The spur DIRECT-CURRENT DYNAMO AS A MOTOR. 151 gear shown in Fig. T09 is attached t(^ the… … Fig. 109. the rheostats and controlling devices. The brushes are not sup-ported in a rocker arm but in rigid holders attached to the insideof the case, and when the brushes are badly worn and needto be replaced, they may be reached through a hand hole whichis covered by a metal lid one end of which…
Dynamos · Electric motors
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