File:Jules Verne's "Ruhmkorff lamp", a miners' electric lamp.jpg
Jules_Verne's_"Ruhmkorff_lamp",_a_miners'_electric_lamp.jpg (482 × 375 pixels, file size: 40 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 00:16, 30 September 2012 | 482 × 375 (40 KB) | Cwkmail | {{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en|Early portable electric lamp (ca. 1860) which science fiction author Jules Verne called the "Ruhmkorff lamp", but which was actually invented by Frenchmen Alphonse Dumas and Dr... |
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