Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 151
e in thesame or opposite directions, and, reversible at will. Thecurrent used may be direct or alternating. Power appliedto drive one as a dvnamo, will drive the otiier as a motor; I30 Electrical Sectioji. LJ. F. I.. while if power be applied to both, the output will be cur-rent in the external…
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