File:PSM V25 D268 Vane configurations for sound generated energy.jpg

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Description Vane configurations for sound generated energy
Date
Source Popular Science Monthly Volume 25
Author Unknown authorUnknown author
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current23:39, 28 October 2014Thumbnail for version as of 23:39, 28 October 20141,324 × 880 (98 KB)Ineuw (talk | contribs)Cleaned image and improved contrast
19:52, 2 September 2010Thumbnail for version as of 19:52, 2 September 20101,737 × 1,121 (162 KB)Ineuw (talk | contribs){{Information |Description = Vane_configurations_for_sound_generated_energy.jpg |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_25.djvu/204 |Date = 1884 |Author = Unknown |Permission = {{PD-old}} |other_versions = }} [[C

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