File:Contrail 1921.jpg
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Summary
| Description |
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 |
Licensing
|
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. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:48, 18 January 2008 | | 582 × 653 (120 KB) | Lon Abirisain | {{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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