File:Kaninchen und Ente.png
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Summary
[edit]DescriptionKaninchen und Ente.png |
English: "Kaninchen und Ente" ("Rabbit and Duck"), the earliest known version of the duck–rabbit illusion, from the 23 October 1892 issue of Fliegende Blätter (http://diglit.ub.uni-heidelberg.de/diglit/fb97/0147?sid=8af6d821538a1926abf44c9a95c40951&zoomlevel=2). It is captioned, "Welche Thiere gleichen einander am meisten?" ("Which animals are
most like each other?") |
Date | |
Source | Detail from scanned page of Fliegende Blätter, full page: Flegende-Blatter-1892.png |
Author | Unknown artistUnknown artist |
Licensing
[edit]According to "Science in the Making: Right Hand, Left Hand. II: The duck–rabbit figure archive copy at the Wayback Machine", the image appears in Fliegende Blätter "without any attribution".
This image is in the public domain because it is a mere mechanical scan or photocopy of a public domain original, or – from the available evidence – is so similar to such a scan or photocopy that no copyright protection can be expected to arise. The original itself is in the public domain for the following reason:
This tag is designed for use where there may be a need to assert that any enhancements (eg brightness, contrast, colour-matching, sharpening) are in themselves insufficiently creative to generate a new copyright. It can be used where it is unknown whether any enhancements have been made, as well as when the enhancements are clear but insufficient. For known raw unenhanced scans you can use an appropriate {{PD-old}} tag instead. For usage, see Commons:When to use the PD-scan tag. Note: This tag applies to scans and photocopies only. For photographs of public domain originals taken from afar, {{PD-Art}} may be applicable. See Commons:When to use the PD-Art tag. |
Public domainPublic domainfalsefalse |
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.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Kaninchen_und_Ente.png |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 16:35, 7 August 2012 | 1,414 × 1,200 (131 KB) | Gemena (talk | contribs) | Better quality scan, larger size. PNG, 16 colours. | |
06:47, 3 February 2012 | 784 × 619 (356 KB) | InverseHypercube (talk | contribs) | using Google Books Downloader instead of screenshot | ||
05:55, 3 February 2012 | 750 × 587 (354 KB) | InverseHypercube (talk | contribs) | rm border | ||
05:51, 3 February 2012 | 750 × 590 (354 KB) | InverseHypercube (talk | contribs) |
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