Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 439
inuous current made. Some machines were introduced to 416 Dynamo-Electric 3Iachinery. [Jour. Frank. Inst., give a double commutation that is twice commutated in the course ofa revolution, and thus an irregular sort of current was produced; butwhen Gramme introduced his machine with a vast number of… … Fig. 10.—Wildes magneto-electric machine. itself is used to excite the magnetism in what are called the field mag-nets, and it passes through this field magnet before going to the lampcircuit. That is what is called winding the field magnets in series.Sometimes the current is taken direct from the…
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