File:EB1911 Telescope - Fig. 16. Pulkovo Refractor.png
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EB1911_Telescope_-_Fig._16._Pulkovo_Refractor.png (490 × 587 pixels, file size: 142 KB, MIME type: image/png)
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Summary
| Description |
English: EB1911 Telescope - Fig. 16. Pulkovo Refractor |
| Date | |
| Source | 1911 Encyclopædia Britannica, vol. 26 pp.566–567, Telescope article |
| Author | Anonymous |
Licensing
|
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
 Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:23, 30 May 2023 | | 490 × 587 (142 KB) | DivermanAU | improve contrast, crop a little |
| 09:10, 2 January 2018 |  | 504 × 595 (126 KB) | DivermanAU | User created page with UploadWizard |
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