• Thumbnail for Ellipsograph
    An ellipsograph is a mechanism that generates the shape of an ellipse. One common form of ellipsograph is known as the trammel of Archimedes. It consists...
    7 KB (875 words) - 23:49, 10 July 2024
  • geometry, including the ruler, dividers, protractor, set square, compass, ellipsograph, T-square and opisometer. Others are used in arithmetic (for example...
    3 KB (303 words) - 00:26, 28 April 2024
  • Thumbnail for Ellipse
    Elliptical trammel (principle) Ellipsograph due to Benjamin Bramer Variation of the paper strip method 2 Most ellipsograph drafting instruments are based...
    87 KB (16,129 words) - 06:49, 27 September 2024
  • Thumbnail for John Farey Jr.
    encyclopaedias. Farey is also remembered as the first English inventor of the ellipsograph, an instrument used by draughtsmen to inscribe ellipses. Farey was the...
    16 KB (2,027 words) - 19:53, 15 August 2024
  • Thumbnail for Straight-line mechanism
    in Murray's Hypocyclic Engine. Trammel of Archimedes. Originally an ellipsograph. As a mechanism, it uses the fact that a circle and a straight line are...
    12 KB (1,260 words) - 21:57, 3 September 2024
  • Thumbnail for Rytz's construction
    axis of an ellipse are determined the ellipse can be drawn using an ellipsograph or by hand (see ellipse). Rytz’s construction is a classical construction...
    9 KB (1,411 words) - 15:55, 22 January 2023
  • Thumbnail for Poncelet–Steiner theorem
    straightedges, graduated rulers, right triangular rulers, linkages, ellipsographs, French curves, and others. Paper-folding techniques, derived from the...
    70 KB (9,451 words) - 14:36, 23 September 2024
  • Thumbnail for Matemateca
    Equidecon Ponibility Soap Films Geometry in the Sphere Reuleaux triangle Ellipsographs Symmetries of the Cube The Hex Game Descending Washers The Rising Cone...
    9 KB (980 words) - 20:06, 1 June 2024