Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 439
From the wheel W, a band is extended around a smaller wheel, or pulley to he turned thereby. The upper part of the pillar P, slides into the lower part, and admits of being fixed higher or lower by the , binding screw P, so as to tighten the band as desired. An U magnet N, is fixed horizontally…
Mechanical engineering
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