Original file (SVG file, nominally 555 × 429 pixels, file size: 73 KB)
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Summary
Licensing
Public domainPublic domainfalsefalse
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The author died in 1943, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 80 years or fewer.
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.
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This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.
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https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
Original upload log
The original description page was
here. All following user names refer to en.wikipedia.
Date/Time |
Dimensions |
User |
Comment
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2013-02-21 20:26 |
555×429× (74420 bytes) |
D1ma5ad |
Made grid gray and thinner so as to aid visualization.
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2011-06-04 21:42 |
555×429× (60352 bytes) |
Muennix |
equidistant grid
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2010-04-21 15:05 |
324×256× (20835 bytes) |
TheDJ |
{{Information |Description =Reproduced from the book of Jean Baptiste Perrin, Les Atomes, three tracings of the motion of colloidal particles of radius 0.53 µm, as seen under the microscope, are displayed. Successive positions every 30 seconds are joined
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File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment |
current | 05:56, 10 August 2015 | | 555 × 429 (73 KB) | wikimediacommons>OgreBot | (BOT): Reverting to most recent version before archival |
File usage
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