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 60
NAMO AND THE TRANSFORMER. 49 case it is evident that the conductor b, Fig. 25, must not makecontact \vith the lower brush, because if it did, the wires c andd would be short-circuit connections from brush to brush. Everyalternate wire on the out-side of a drum-woundarmature may he a com-mutator bar… … ^pi Fig 26. 31. Examples of direct-current dynamos. — Fig-ure 26 shows in outline a typical bi-polar dynamo, and Fig. 27shows in outline a typical multipolar dynamo. The regions ss are called the air gaps, ff thepole faces, pp the pole pieces,and hlikk are called the poletips or horns; hh are…
Dynamos · Electric motors
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