Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 234
ent in the caseof alternating and polyphase generators. This type of machine shades by various transition ^* No. 534,208, February 12, 1895.* No. 251,550, of Dec. 27, 1881. Mar., 1901.] Rotary Transformers. 223 shapes into the dynamotor proper, as exemplified in PlatesVII and VIII. The lower figure… … nl^^H?-^ Pi.ATE VII.—Motor-generators of Van Depoele (1889) and Thomson (1887). The upper figure, from a Van Depoele^ patent of 1889,shows a double secondary armature // adapted to producetwo-phase currents. ^ No. 367,469, of Aug. 2, 18E No. 417,654, of Dec. 17, \i 224 Colles LJ- F. I.. The figures…
Science · Technology · Meteorology · Patents
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