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 942
ls I and securingthe barrel in its proper position bymeans of the racksegment I and the vertical rack and weight /. m, Movable headstocks fixed to the bed by cross-bar andbolts m, the centre c working through it by thescrew and handle m, which may be fixed by a set-screw m. k, Barrel being turned… … The most curious part of this machine is the frame I for holding the tools, and likewise the barrel ofthe musket being turned ; which latter operation is rendered rather difficult from the irregular shape o!the barreL Fig. 2211 shows a section, looking at the frame /.which consists of a back plate,…
Mechanical engineering · Mechanics · Engineering
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