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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DescriptionFrans van Schooten - Ellipsenzirkel.png |
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. |
Licensing edit
Public domainPublic domainfalsefalse |
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 70 years or fewer. You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Honduras has a general copyright term of 75 years, but it does implement the rule of the shorter term. Copyright may extend on works created by French who died for France in World War II (more information), Russians who served in the Eastern Front of World War II (known as the Great Patriotic War in Russia) and posthumously rehabilitated victims of Soviet repressions (more information). | |
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
Original upload log edit
- 2004-09-20 07:14 Niesefrosch 354×275×??? (3493 bytes) Ellipsenzirkel nach Frans van Schooten
This image comes from the Lexikon der gesamten Technik (dictionary of technology) from 1904 by Otto Lueger. |
Licensing edit
Public domainPublic domainfalsefalse |
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. | |
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:46, 27 February 2012 | 354 × 275 (4 KB) | Ras67 (talk | contribs) | -bg | |
11:30, 28 August 2008 | 354 × 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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