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Scientific American, Vol. 16, No. 20 (1867) (1867)

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An illustration from Scientific American, Vol. 16, No. 20 (1867), 1867, leaf 0
epresenta mitering ma- caused by the falling off of the head or mold end, by forging, the knife edge makes a drawing cut insuring perfectly smooth chine for which letters patent were granted through the Sci- turning and boring. The cast-steel rings weigh all together work. The machine appears to be… … REFERENCES TO THE ENGRAVING.—A B C, rollers; D E, name of a different nation, penetrate outward, and cross the circular bed of iron, eighteen by twenty-eight inches, upon pivot plate ; F, cross section of barrel through trunnion,/,; G, halls in manner resembling the spokes of a wagon wheel, which…

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