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 224
of the octagonal pieces of horn is placed between each pair of dies, and the mould being shut iscompressed in a small screw-press, and in a few minutes, the horn becoming softened by the heat,receives the impression of the die, after which the edges are clipped off by shears, and then roundedin a… … and by the centre points c c are made to revolve with great velocity by means of two bands d d passingover pulleys e e fixed upon each of the spindles, each band driving two spindles, and receiving motionfrom a wheel worked by a treadle. At the end of each of the spindles a, is a hook uniting them…
Mechanical engineering · Mechanics · Engineering
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