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 178
one inch in diameter at the larger end, and 30 inches long; the catgutstring is sometimes nearly an eighth of an inch in diameter, or r replaced by a leather thong. Thestring is attached to the smaller end of the bow by a loop and notch, much the same as in the archery-bow, and is passed through a… … Steel bows are also occasionally used; these are made something like a fencing-foil, but with a hookat the end for the knot or loop of the cord, and with a ferrule or a ratchet, around which the spare cordis wound. Some variations also are made in the sheaves of the large drills; sometimes they are…
Mechanical engineering · Mechanics · Engineering
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