Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 495
ads.—In Fig. 3231, a is a cup-shaped, b a countersink, and c a square bolt-head.Rotation of the bolt is prevented in a by a square neck, in 6 by a set-screw, and in c by a snug forgedon the bolt. Fig. 3232 at a shows a T-headed bolt in front and side elevation ; and at 6 is an eye-bolt.Fig. 3233 is… … i cn rm
Mechanical engineering -- Dictionaries
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