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 433
From th; wheel W, a band is extended around a smaller wheel, or pulley to be turned thereby. Theupper part of the pillar P, slides into the lower part, and admits of being fixed higher or lower by thebinding screw P, so as to tighten the band as desired. An U magnet N, is fixed horizontally with…
Mechanical engineering · Mechanics · Engineering
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