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 228
gonal 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 lathe. The… … and by the centre points c c are made to revolve with great velocity by means of two bands dd 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
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