File:PSM V40 D823 Cornet showing the rotary valve system.jpg
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DescriptionPSM V40 D823 Cornet showing the rotary valve system.jpg | Cornet showing the rotary valve system | |||||
Date |
between 1891 and 1892 date QS:P,+1891-00-00T00:00:00Z/8,P1319,+1891-00-00T00:00:00Z/9,P1326,+1892-00-00T00:00:00Z/9 |
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Source | Popular Science Monthly Volume 40 | |||||
Author | Unknown authorUnknown author | |||||
Permission (Reusing this file) |
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Extracted image from book, to grayscale, cropped whitespace. Modifications made by Ineuw. The original can be found here: Popular Science Monthly Volume 40.
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current | 00:44, 12 December 2010 | 813 × 409 (53 KB) | Ineuw (talk | contribs) | {{Information |Description = Cornet showing the rotary valve system |Source = [http://www.archive.org/details/popularsciencemo401892newy Popular Science Monthly Volume 40] |Date = 1891-1892 |Author = Unknown |Permission |
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