Industrial drawing and geometry; an introduction to various branches of technical drawing (1911)
Spooner, Henry John, 1856- · London, New York [etc.] Longmans, Green, and co. · leaf 102
roller; then the curve has to be slightly modified, as shown in contact with the small circle above a, whose centre is S, aud whose diameter equals that of the roller, the cross-hatched figure representing the cam. NoTB.—As by a skilful arrangement of suitable cams almost any desired movement of a…
Mechanical drawing · Geometrical drawing
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