Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 593
theframe of the machine, which is made of cast-iron. C C is a tubular or hollow arbor or spindle, which issustained by and runs in the heads A A. The arbor or spindle C is driven by a band on a whirl orpulley D, and it is widened out at its end, C, so as to constitute two cheeks which embrace the… … bears at its outer end against a regulating screw G. This screw passes through the heail H of the leverH, which has its fulcrum at I. When the end H^ of this lever is dejiressed, its end H will force the bollF forward, and cause the jaws E to close and embrace the blank which is to be turned The…
Mechanical engineering · Mechanics · Engineering
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