File:Beckmann Ernst Otto.jpg
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Beckmann_Ernst_Otto.jpg (258 × 385 pixels, file size: 12 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:16, 2 February 2008 | 258 × 385 (12 KB) | commons>Astrochemist | {{Information |Description = Scan of a picture of German scientist Ernst Otto Beckmann (who died in 1923) |Source = ''Journal of Chemical Education'', page 475 |Date = 1944 |Author = Ralph Oesper |Permission = |other_versions = }} A small, grainy, low-r |
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