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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 345

An illustration from 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, leaf 345
1401. SCREW THREADS, Trape-zoidal thread. Angle 90°face, 45° back.Depth equals 0.75 of the pitch. 22 338 MILL AND FACTORY APPLIANCES. … 1402. SCREW THREADS, squarethread. Angle square. Depth equals -f-half pitch. Width between threads equal+ half pitch, for clearance. 1403. SCREW THREADS,*Powellsthread. Depth of thread equals + halfpitch. Width of top of thread, 0.37-ofpitch. Width of bottom, 0.37 -(- of pitch. Angle of side, 11…

Mechanical movements

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