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 771
atevery descent, passes through the hole in the tension-finger, and through it also passes the underthread; 5 is a horizontally movable lever, one extremity of which bears upon the tension-finger. Ateach revolution of the hook, the pad 2 is brought in contact with the tension-linger S, clamping… … 3841.
Mechanical engineering -- Dictionaries
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