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Scientific American, Vol. 56, No. 17 (1887) (1887)

leaf 7

An illustration from Scientific American, Vol. 56, No. 17 (1887), 1887, leaf 7
mpe- coil in spaces 2, 2, and so on, until each tuous pupils to effect their purposes in that pair of spaces contains two coils, one super- matter. I learned from an Irish street posed on the other, every coil being formed of two layers of wire, with eight strands in crossing sweeper what he could… … Fig. 3.—METHOD OF comes tumbling down. Norway: is forest,

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