Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in constructive and operative machinery and the mechanical arts, being practically a mechanical dictionary, commencing with a rudimentary description of the early known mechanical powers and detailing the various motions, appliances and inventions used in the mechanical arts to the present time, including a chapter on straight line movements, by Gardner D. Hiscox (1914)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 346
1387. SCREW MOVEMENT, for the tailstock of a lathe. The spindle moves m a keyslot to prevent turning. The screw has acollar and is shouldered on the outside by thewheel hub. The back end of spindle has athread acting as a nut on the driving screw. … verses around the shaft to be centered.1389. End view. 1388. CENTERINGTOOL. Used for scratch-ing the centre on roundshafting or rods. Theslotted arm E swings onthe spindle A, as it tra- 33^ MILL AND FACTORY APPLIANCES.
Mechanical movements
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