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 210
ntoone of a set of two wheels whicli turn together, and are placed on a tixed pivot., independent of theboring-bar. The upper wheel of this set geers into the upper wheel a, which is keyed to the boring- LATHE. 205 bar, and of course turns with it. The amount of feed, or the advance of the… … The geering shown above the top of the boring-bar is for hoisting up the boring-bar, when the ma-cnine is to be used for planing a flat, or tarning a cylindrical or conical surface. The machine, aatrranged for this purpose, is shown in Fig. 2S52.
Mechanical engineering · Mechanics · Engineering
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