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 98
eR to the terminals of the alternator A^ as shown in Fig. 67,and the photographic tracing obtained is the required electromo-tive-force curve. To determine an alternating-current curve. — The oscillographwith more or less resistance in series with it is connected to theterminals of a non-inductive… … Fig. 68. the electromotive force curve of an alternator whose armaturewinding is placed in comparatively few slots, the effect of the slotsbeing to introduce slight fluctuations in the electromotive-forcewave as shown by the fine waves in curve A in the figure ; thecurve B is the curve of current…
Dynamos · Electric motors
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