Cumming, Linnæus, b. 1843. [from old catalog] · New York, D. Van Nostrand · leaf 371
Fig. 231 becomes a magnet under the induction of the permanentmagnet, and on moving it towards the permanent magnet itacts inductively upon it, altering its magnetism, and there-fore causing an induced current. Eemove now the galvanometer, and replace it by a similarmagnet, also surrounded near one… … Fig. 232. pointer attached (the suspension may be a pin passing throughthe straw), placed so as not to be drawn into contact withthe magnet pole. If we now take the former iron plate (A), chap, vl] Current Induction. 353 and move it about backwards and forwards with a regularvibratory motion, we…
Electricity
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