Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 431
kaline silicate, of which we havepreviously spoken under soluble glass. MORTISING MACHINE. Fig. 2846 repre-sents a mortising machine invented and patentediiy A. Swingle, formerly of Texas, now of Boston. A A are the legs, P> the bench; ( is a set-screwfor the out-and-in movement of the bench,… … There is a rest below theJ, inverted, is a hollow augur, or rather hollow chisel withic MOTION. 425 which is the augur; and the movement of the latter is followed by the I chisel, bo that the is a square hole or mortise. The augur inside receives a verj rapid motion from a bevel-wheel,geering into…
Mechanical engineering
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