File:Heroes of the telegraph - Charles Wheatstone.jpg
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current | 00:08, 12 November 2021 | 1,076 × 1,255 (243 KB) | Beleg Tâl | File:Heroes of the telegraph (IA cu31924031222494).pdf cropped 17 % horizontally, 38 % vertically using CropTool with precise mode. |
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