File:Hadley's reflecting quadrant.png
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Summary
| Description | Drawing of John Hadley's Reflecting Quadrant |
| Date | |
| Source | Hadley, “Hadley’s Octant.” Philosophical Transactions of the Royal Society, vol. 37, p. 147, 1731. |
| Author | John Hadley |
I added the English text identifying the parts along with curved arrows. The original alphabetic tags will be too small to see in a thumbnail.
Licensing
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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.  You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:00, 25 September 2007 | | 1,800 × 1,397 (83 KB) | Michael Daly~commonswiki | {{Information |Description=Drawing of John Hadley's Reflecting Quadrant |Source=Hadley, “Hadley’s Octant.” Philosophical Transactions of the Royal Society, vol. 37, p. 147, 1731. |Date=1731 |Author=John Hadley |Permission= |other_versions= }} |
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