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Scientific American, Vol. 11, No. 20 (1864) (1864)

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An illustration from Scientific American, Vol. 11, No. 20 (1864), 1864, leaf 0
ADVANCE}! (IN — oe | machine is in general use in all of our large machine Improved Drilling Machine. forsaw nothing but ruin in the diminished quantity The use of pawl wrencbes, for drilling holes, shops in this city, and is much liked. It was patented of gas which would necessarily be consumed…

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