Size of this preview: 440 × 600 pixels. Other resolutions: 176 × 240 pixels | 550 × 750 pixels.
Original file (550 × 750 pixels, file size: 61 KB, MIME type: image/png)
 | This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
Page explaining and illustrating w:astigmatism. Frederic Eugene Wright, The Methods of Petrographic-microscopic Research, Their Relative Accuracy and Range of Application, Carnegie institution of Washington, 1911 online
Licensing
 |
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
|
 |
 |
This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.
|
|
This media file is uncategorized.
Please help improve this media file by adding it to one or more categories, so it may be associated with related media files (how?), and so that it can be more easily found.
Please notify the uploader with {{subst:Please link images|File:Astigmatism.png}} ~~~~ |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 07:36, 12 November 2006 | | 550 × 750 (61 KB) | Dicklyon | Page explaining and illustrating astigmatism. Frederic Eugene Wright, ''The Methods of Petrographic-microscopic Research, Their Relative Accuracy and Range of Application'', Carnegie institution of Washington, 1911. |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
Global file usage
The following other wikis use this file:
- Usage on tr.wikipedia.org
- Usage on zh.wikipedia.org
