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Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 344

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1398. SCREW THREADS.—StandardV thread, sharp at top and bottom. Depthequals 0.85 of the pitch. Angle 60°. U.S.S. THREAD … n WHITWORTH THREAD j/

Mechanical movements

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