Category:Semaphore telegraphs: Difference between revisions
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[[Image:Semaphore Telegraphs Optical telegraph of Claude Chappe Attribution.jpg|thumb|right|A replica of a semaphore telegraph developed by Claude Chappe - Image by Lokilech]] | |||
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Revision as of 16:58, 15 February 2012
Media in category "Semaphore telegraphs"
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Semaphore Telegraphs Optical telegraph of Claude Chappe Attribution.jpg 450 × 600; 104 KB
