File:Davinci-valve-flush.jpg
Size of this preview: 710 × 599 pixels. Other resolutions: 284 × 240 pixels | 569 × 480 pixels | 1,002 × 846 pixels.
Original file (1,002 × 846 pixels, file size: 121 KB, MIME type: image/jpeg)
Leonardo's fake sketch of the first known depiction of a valve flush toilet; via Anthony Ravielli from Codex Madrid I, a page allegedly discovered in 1975. April Fool's joke by Martin Gardner, in Scientific American (April 1975). See also: [1], [2], [3]
 | This file is in the public domain because its copyright has expired in the United States and those countries with a copyright term of no more than the life of the author plus 100 years.
|
 | This file is a candidate to be copied to Wikimedia Commons.
Any user may perform this transfer; refer to Wikipedia:Moving files to Commons for details. If this file has problems with attribution, copyright, or is otherwise ineligible for Commons, then remove this tag and DO NOT transfer it; repeat violators may be blocked from editing. Other Instructions
| ||
| |||
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:01, 1 April 2005 | | 1,002 × 846 (121 KB) | Sj (talk | contribs) | Leonardo sketch of valve flush toilet (note paper holder in background) |
You cannot overwrite this file.
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
