File:Hermann von Helmholtz.jpg
Hermann_von_Helmholtz.jpg (338 × 440 pixels, file size: 42 KB, MIME type: image/jpeg)
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Date/Time | Dimensions | User | Comment | |
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current | 01:53, 29 March 2012 | 338 × 440 (42 KB) | Materialscientist | better version from http://www.corbisimages.com/stock-photo/rights-managed/IH015189/hermann-ludwig-ferdinand-von-helmholtz |
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