File:Microscope - Fig. 31.png
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| Description |
English: Fig. 31.—Showing a system with chromatic difference of spherical aberration. O′′=image of O for red light; O′′′ for blue. The system is under-corrected for red, and over-corrected for blue rays. |
| Date | |
| Source | https://en.wikisource.org/wiki/Page%3AEB1911_-_Volume_18.djvu/422 |
| Author | Anonymous |
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This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States. |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 08:49, 6 May 2023 | | 927 × 303 (23 KB) | Sp1nd01 (talk | contribs) | Uploaded a work by Anonymous from https://en.wikisource.org/wiki/Page%3AEB1911_-_Volume_18.djvu/422 with UploadWizard |
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