File:Frans van Schooten - Ellipsenzirkel.png

Frans_van_Schooten_-_Ellipsenzirkel.png(354 × 275 pixels, file size: 4 KB, MIME type: image/png)

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Deutsch: Ellipsenzirkel nach Frans van Schoten. Der Gelenkmechanismus wurde von dem holländischen Mathematiker im 17. Jahrhundert erfunden. Wenn man am Stift in Punkt E zieht, zeichnet dieser eine Ellipse. Der Mechanismus ist an den Brennpunkten H und I auf der Zeichenunterlage befestigt.
Français : Ellipsographe à cercle directeur : la barre HG a pour longueur 2a (demi-grand axe de l'ellipse). OIPG est un losange. H et I sont placés aux deux foyers de l'ellipse. Lorsqu'on place un crayon au point E et qu'on le fait glisser dans la rainure OP, le losange se déforme et le crayon dessine une elllipse.
Date 20 September 2004 (original upload date)
Source Transferred from de.wikipedia to Commons by B222 using CommonsHelper.
Author The original uploader was Niesefrosch at German Wikipedia.

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The original description page was here. All following user names refer to de.wikipedia.
  • 2004-09-20 07:14 Niesefrosch 354×275×??? (3493 bytes) Ellipsenzirkel nach Frans van Schooten
Lueger 1904 This image comes from the Lexikon der gesamten Technik (dictionary of technology) from 1904 by Otto Lueger.

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Public domain

The author died in 1911, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.


This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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Date/TimeThumbnailDimensionsUserComment
current23:46, 27 February 2012Thumbnail for version as of 23:46, 27 February 2012354 × 275 (4 KB)Ras67 (talk | contribs)-bg
11:30, 28 August 2008Thumbnail for version as of 11:30, 28 August 2008354 × 275 (3 KB)File Upload Bot (Magnus Manske) (talk | contribs) {{BotMoveToCommons|de.wikipedia}} {{Information |Description={{de|Ellipsenzirkel nach Frans van Schoten. Der Gelenkmechanismus wurde von dem holländischen Mathematiker im 17. Jahrhundert erfunden. Wenn man am Stift in Punkt ''E'' zieht, zeichnet diese

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