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Scientific American, Vol. 17, No. 15 (October 1867) (1867)

leaf 4

An illustration from Scientific American, Vol. 17, No. 15 (October 1867), 1867, leaf 4
he car while all incom- of railway travel, is the inefficient or rather the improper quite as long to acquire as that of handling the file. In ing drafts are prevented. For this device letters patent were ventilation of the carriages. The plan represented in the ac- granted May 20,1866, to George… … upon the same distant object, and the point where the two " chipping " with cold chisel, striking on the anvil, and rivet- needles cross each other (one of the needles being slightly ing at the block or vise, long practice, combined with good below the other) will correspond to the exact position…

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