Sectional view of a telegraph tower using Chappe's (1763-1805) semaphore system, showing the method of moving the signalling arms. From Louis Figuier 'Les Merveilles de la Science', Paris, c1870. Engraving

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Sectional view of a telegraph tower using Chappe's (1763-1805) semaphore system, showing the method of moving the signalling arms. From Louis Figuier 'Les Merveilles de la Science', Paris, c1870. Engraving

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Size: 6000px × 11296px
Location:
Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: aerial, archival, archive, arms., c1870., chappe, communication, de, engraving, figuier, historical, history, la, les, louis, merveilles, method, moving, paris, science, sectional, semaphore, showing, signalling, system, telegraph, tower, view