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 375
the spring to the bar, the screw will bend the spring to the desired curve. 1517. FLEXIBLE CURVE SCRIBER.—A spring of any suitable material may be fixedin a ruler and drawn by a string to the desiredcurve. There are many forms of this device,such as the string fastened to both ends of thespring and… … c KV\VV\Vi Q 1519. GREAT CURVE DELINEA-TOR. — Thin-edged ^^ ^^^^^ ^^ different di-ameters are attachedto a bar or tube at adistance apart,so thattheir relative diam-ters and distance will correspond to the required radius, which maybe computed by the difference in diameter multiplied by the…
Mechanical movements
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