Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 596
to the bevel of the head. J i- a Bteel plate, in which a countersink / to admit the head of Iho Bcrew to come into contact with the tool G. Wh< re the tool is to act up in tli ■ hi ad the Bti el platcut away, as shown at e. The arbor C C is tubular, and there passes through bol E, having a ^ d… … part K is for f/ot the ja* 1 i &r,:> P, that i l i -,.:,; . 590 SCREW-CUTTIXG MACHINE. bolt K. E E are a handle and lever, by which the sliding-bolt K and the spindle C are drawn upwardsA spiral spring M surrounds the arbor C, and bearing against the uppermost of the heads A2 and againstthe…
Mechanical engineering
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