File:PSM V10 D669 Cohn tubes.jpg
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![File:PSM V10 D669 Cohn tubes.jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/5/56/PSM_V10_D669_Cohn_tubes.jpg/422px-PSM_V10_D669_Cohn_tubes.jpg)
Size of this preview: 422 × 599 pixels. Other resolutions: 169 × 240 pixels | 338 × 480 pixels | 963 × 1,367 pixels.
Original file (963 × 1,367 pixels, file size: 141 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:59, 16 July 2010 | ![]() | 963 × 1,367 (141 KB) | Ineuw | {{Information |Description = Cohn's tubes |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_10.djvu/663 |Date = 1876 |Author = Unknown |Permission = {{PD-old}} |other_versions = }} {{GFDL-user-w|en|Wikisource|Ineuw}} [[Ca |
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