Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 227
that the current integral in the secondary coils must beequally positive and negative. We cannot, unfortunately, transform continu-ous current from one pressure to another by any such simple and convenientmethod. 8 No. 266,735, October 31, 1882. 2l6 Colles . IJ. F. I.. ment is passed. A ragged… … Plate II.—Van Depoeles inductorium. 1882.regularity in the secondary wave of electromotive force, andsparking at the brushes would here also seem to be a seri-ous defect. This machine might be reversed, in which caseit would run synchronously. Mar., 1901.J Rotary Iransformers. 217 The next machine…
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