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 756
g-geer consists of three pulleys, a fi.\ed central one, with a loosf. oneon each side, all being on one shaft, which also carries a cone of tliree speeds exactly similar to C.—the last carries the driving-belts communicating directly with the machine. The centre pulley of theset of three is much… … Analogous to the subject just discussed, is that of nut-cutting, an operation formerly entirely per-formed by manual labor, a tedious and uncertain process, but now effected with facility and precisionby self-acting machinery. In Figs. 2974 to 2976 we have given detailed views of a complete machine…
Mechanical engineering · Mechanics · Engineering
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