File:Hadley's reflecting quadrant.png
![File:Hadley's reflecting quadrant.png](https://upload.wikimedia.org/wikipedia/commons/thumb/8/89/Hadley%27s_reflecting_quadrant.png/773px-Hadley%27s_reflecting_quadrant.png?20070925210050)
Size of this preview: 773 × 600 pixels. Other resolutions: 309 × 240 pixels | 619 × 480 pixels | 990 × 768 pixels | 1,280 × 993 pixels | 1,800 × 1,397 pixels.
Original file (1,800 × 1,397 pixels, file size: 83 KB, MIME type: image/png)
File information
Structured data
Captions
Captions
Add a one-line explanation of what this file represents
Summary
editDescriptionHadley's reflecting quadrant.png | 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
editPublic 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 100 years or fewer. ![]() |
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
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 21:00, 25 September 2007 | ![]() | 1,800 × 1,397 (83 KB) | Michael Daly~commonswiki (talk | contribs) | {{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= }} |
You cannot overwrite this file.
File usage on Commons
There are no pages that use this file.
File usage on other wikis
The following other wikis use this file:
- Usage on en.wikipedia.org
- Usage on es.wikipedia.org
- Usage on hr.wikipedia.org
- Usage on it.wikipedia.org
- Usage on nn.wikipedia.org
- Usage on ro.wikipedia.org