Atkinson, Philip. [from old catalog] · New York, The Century co. · leaf 137
nd electricity by magnetism; and that by themechanical movements of the poles of a steel magnet oran electromagnet in proximity to the poles of an elec-tromagnet, a series of transient electric currents can begenerated in its coils, flowing alternately in oppositedirections in such rapid succession… … magnet, and connected with a driving-wheel andbelt, by which it can be given a rapid rotary mo-tion, so that its poles alternately rotate past those of thesteel magnet, producing an alternate reversal of polarity 114 DYNAMOS. 115 in its core by which an alternating current is generatedin its coils.…
Electricity
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