Inside Out Library
Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 346
1398. SCREW THREADS.—StandardV thread, sharp at top and bottom. Depthequals 0.85 of the pitch. Angle 60°. U.S. S. THREAD … WHITWORTH THREAD |Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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