File:Contrail 1921.jpg
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[edit]DescriptionContrail 1921.jpg |
English: "Cloud Formation from Supercharged Plane": passage from Monthly Weather Review describing an early instance of contrail formation from a supercharged aircraft. This may be the first known description of such phenomena. |
Date | |
Source | Monthly Weather Review (ftp://ftp.library.noaa.gov/docs.lib/htdocs/rescue/mwr/049/mwr-049-07-0412c.pdf) |
Author | B. M. Varney |
Permission (Reusing this file) |
Public domain, published before 1923 |
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[edit]Public domainPublic domainfalsefalse |
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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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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Contrail_1921.jpg |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:48, 18 January 2008 | ![]() | 582 × 653 (120 KB) | Lon Abirisain (talk | contribs) | {{Information |Description= First known description of a persistent contrail / Primera descripción conocida de una estela persistente |Source= http://docs.lib.noaa.gov/rescue/mwr/049/mwr-049-07-0412c.pdf |Date= original is from 1921 |Author= Varney B.M. |
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