File:Galileo's geometrical and military compass in Putnam Gallery, 2009-11-24.jpg
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| Description |
English: A geometrical and military compass designed by Galileo Galilei, described in Le operazioni del compasso geometrico et militare (1606). It is thought to have been made by Marc'Antonio Mazzoleni circa 1604. This compass is shown with a quadrant, which fixes the two sides of the compass at a 90-degree angle, prohibiting the compass from opening and closing but allowing it to measure angle. |
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| Source | Own work |
| Author | Sage Ross |
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Own work, copyleft: Multi-license with GFDL and Creative Commons CC-BY-SA-3.0 and older versions (2.0 and 1.0) |
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 22:49, 27 November 2009 | | 3,473 × 1,955 (1.69 MB) | wikimediacommons>Ragesoss | {{Information |Description={{location dec|42.37650718519262|-71.11607372760773}} A geometrical and military compass designed by Galileo Galilei, described in ''Le operazioni del compasso geometrico et militare'' (1606). It is thought to have been made by |
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