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 90
mlybound with an iron strap. Figs. 268, 269, represent the construction of sheaves, with iron bushingsthe collars and rivets being counter sunk. Fig. 270 is an elevation of a sheave showing an arrangementof friction pulleys or roils, to admit of an easier motion. Figs. 271, 272, represent a front… … Mas. Carroll, BurlDg Slip. t Burr & Co., South st. N. Y. 88 BLOW-PIPE. The peculiarity of these hloeks consists in the iron straps being closely adjusted to each side of thesheave, so as barely to have its discs free of lateral friction, and then being made to combine in a solidiron bar, at…
Mechanical engineering · Mechanics · Engineering
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