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Scientific American, Vol. 7, No. 9 (November 15, 1851) (1851)

leaf 3

An illustration from Scientific American, Vol. 7, No. 9 (November 15, 1851), 1851, leaf 3
his magnet moves on the guide-rods, attract 32 lbs. if placed at two inches distant, duced results greatly disproportionate with D D, which are connected together at the top mandril is withdrawn, and these coils fixed it loses power, to use a familiar phrase, ac- large batteries. The free length of… … they were elevated by that mysterious agency supersede the steam engine. This engine, un- —which cle e.gak tree into fragments, and no RS here, because unseen. like others, we now say, is practical—positive ing wires to the helix or coil of wires sur- evidence having been adduced to prove this ;…

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