File:Dioptra-principe2.jpg
Original file (1,700 × 716 pixels, file size: 88 KB, MIME type: image/jpeg)
Summary edit
| Description |
This is a diagram that shows the operational principles of the dioptra. |
|---|---|
| Source |
The image appears on a website entitled, "File:Dioptra-principe.jpg" at https://commons.wikimedia.org/wiki/File:Dioptra-principe.jpg. |
| Date |
10 June 2008 |
| Author | |
| Rationale |
No free licensed or public domain alternatives known to exist to show the operational principles of the dioptra. |
| Permission |
Fair Use, it has been deleted from Commons by Racconish because: Insufficient or doubtful author or license; OTRS validation required and not provided as of 27 May 2019. |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:51, 28 May 2019 | | 1,700 × 716 (88 KB) | Marshallsumter (discuss | contribs) | {{Information1 |Description = This is a diagram that shows the operational principles of the dioptra. |Source = The image appears on a website entitled, "File:Dioptra-principe.jpg" at https://commons.wikimedia.org/wiki/File:Dioptra-principe.jpg. |Date = 10 June 2008 |Author = Nerijp |Rationale = No free licensed or public domain alternatives known to exist to show the operational principles of the dioptra. |Permission = Fair Use, it has been deleted from Commons by Racconish... |
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