Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 159
nd to the fixed brush F.^^ and at the otherend to the junction of coil 3 with the rotating brush R^; itis therefore traversed by a pulsating current, and exertsthe chief magnetizing effect upon the reciprocating ironcore, with a constant polarity. Speaking kinematically ofthis combination of… … / 01 1^
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