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2. Ellipsograph - Wikipedia

   en.wikipedia.org/wiki/Ellipsograph

   Wooden ellipsograph (ca. 1900) now at Smithsonian Ellipsograph on display at Musée d'histoire des sciences de la Ville de Genève. An ellipsograph is a trammel of Archimedes intended to draw, cut, or machine ellipses, e.g. in wood or other sheet materials. An ellipsograph has the appropriate instrument (pencil, knife, router, etc.) attached to ...

3. Planar Systems - Wikipedia

   en.wikipedia.org/wiki/Planar_Systems

   Planar Systems, Inc. is an American digital display manufacturing corporation with a facility in Hillsboro, Oregon. Founded in 1983 as a spin-off from Tektronix , it was the first U.S. manufacturer of electroluminescent (EL) digital displays.

4. Talk:Ellipsograph - Wikipedia

   en.wikipedia.org/wiki/Talk:Ellipsograph

   The more generic term "ellipsograph" currently redirects to this article, and ellipsographs in general are described in a section near the end. In my opinion this article would be improved by re-organizing it to make the general topic of drawing ellipses be its root scope, with the elliptic trammel as a top-level section, as a sibling to other ...

5. Voskhod Spacecraft "Globus" IMP navigation instrument

   en.wikipedia.org/wiki/Voskhod_Spacecraft_"Globus...

   The design objectives for the IMP were to compute and display the geographic coordinates at the spacecraft's nadir, i.e. which point on Earth's surface it was overflying. The Globus displayed this data to the crew, and also transmitted electrical data to other systems through a variable resistance and cam-activated switching. [4] [5] [citation ...

6. File:Ellipsograph Animation - Small, Opaque.gif - Wikipedia

   en.wikipedia.org/wiki/File:Ellipsograph...

   Animation of an ellipsograph, or trammel of Archimedes, drawing an ellipse. Items portrayed in this file depicts. Trammel of Archimedes. ellipse. creator. some value.

7. IBM 2250 - Wikipedia

   en.wikipedia.org/wiki/IBM_2250

   A complete 2250 III system with controller cost around $280,000 in 1970, though up to 4 displays could share a single controller, reducing the cost per display by up to 40%. [ 2 ] A display list of line segments ( vectors ) on a 1024 by 1024 grid was stored in computer 's memory or an optional buffer on the 2250 and repainted on the 2250's CRT ...