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 371
1519. GREAT CURVETOR.- DELINEA- Thin-edgeddiscs of different di-ameters are attachedto a bar or tube at adistance apart,sothattheir relative diam-ters and distance will correspond to the required radius, which maybe computed by the difference in diameter multiplied by the distanceof the wheels…
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.