Lodge, Oliver, Sir, 1851-1940 · London, New York, Macmillan and co. · leaf 164
Fig. 25.—Round bright steel bar-magnet pivoted at its ends, spinning rapidly on itsaxis under the influence of a current supplied to either the bottom or top pivot,or both, and removed near the middle by a scrap of tin-foil lightly touching it. … Fig. 26.—Another mode of exhibiting the same thing as Fig. 25. The magnet isloaded so as to float upright in mercury. 146 MODERN VIEWS OF ELECTRICITY, [part hi. one of the contacts is either at or beyond theend. 75. The customary or Faraday plan of exhibiting theeffect depicted in Fig. 25, with a…
Electricity
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