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Scientific American, Vol. 30, No. 12 (March 1874) (1874)

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An illustration from Scientific American, Vol. 30, No. 12 (March 1874), 1874, leaf 0
inches, and will slot to the er case; but immediately on breaking, the remanent magnet- be made, embracing several figures. Another useful con- ism is less than in that caae; on the other hand, it disap- center of 36 inches. The bar, which has a vertical adjust- trivance is the " computing… … For engineers of whatever kind, eight sided, and so on; so that SLOTTING MACHINE AND SLOTTING AND PLANING TOOL. such a calculating machine is in- a nut, for example, "of any geo- out heating the bar. The total magnetism is still greater; valuable, and no engineer's office, electrician's testing,…

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