Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 566
, The hypothetical currents that circulate round a magneticmolecule we shall call amperian currents, to distinguish themfrom the known current that traverses the solenoid. Instrict accordance with this theory, the poles of the electro-magnet are determined by the direction of the current in… … Fig. 435.
Physics
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