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 240
m, or with a fixed rack; theworm, sliding over a feather-key shaft, will drive sliding nutsholding a hoisting car or platform. T 908. ROTARY MOTION of worm gear froman ordinary screw, or when the screw has greatpitch, rotary motion of the screw may be obtainedfrom the rotation of the worm-gear… … 234 GEARING.
Mechanical movements
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