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Scientific American, Vol. 29, No. 17 (October 1873) (1873)

leaf 4

An illustration from Scientific American, Vol. 29, No. 17 (October 1873), 1873, leaf 4
taining its motion for some little time after ering (as shown by dotted lines), and a peculiar adaptability pecial effect is observed, except the slight warming of the the impelling force is removed. If, however, a current is The lock can be as easily placed on the copper wire by the friction. If,… … iron core of an electro-magnet, posed plan brings us any nearer in which a current could be es- PERIPOLAR INDUCTION. to absolute accuracy. tablished at will. As long as the the latter remained broken, the plate, when swiftly rotated, tricity be established, at that instant a continuous series of…

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