File:Hedgehog3.jpg
Hedgehog3.jpg (400 × 280 pixels, file size: 37 KB, MIME type: image/jpeg)
File information
Structured data
Captions
Summary edit
DescriptionHedgehog3.jpg |
English: The first known model of the puzzle "Hedgehog in the Cage", patented by the American inventor Clarence A. Worrall on 7 April, 1896 in Philadelphia, Pennsylvania. |
Date | |
Source | http://www.google.com/patents?id=MQ5VAAAAEBAJ&printsec=drawing&zoom=4#v=onepage&q&f=false (https://patents.google.com/patent/US558009A/) |
Author | Clarence A. Worrall |
Licensing edit
Public domainPublic domainfalsefalse |
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.
|
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 16:40, 28 October 2011 | 400 × 280 (37 KB) | Jbarta (talk | contribs) | clean up | |
08:35, 8 October 2011 | 400 × 280 (63 KB) | Vejvančický (talk | contribs) |
You cannot overwrite this file.
File usage on Commons
There are no pages that use this file.
File usage on other wikis
The following other wikis use this file:
- Usage on cs.wikipedia.org
- Usage on en.wikipedia.org