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Sectional view of a telegraph tower for Claude Chappe's semaphore, 1792, (c1870). Artist: Unknown

Sectional view of a telegraph tower for Claude Chappe's semaphore, 1792, (c1870). Chappe's (1763-1805) system was in use in France and French colonies until about 1850. Every 5 to 10 miles men in a repeater tower read the message through a telescope, then relayed it to the next tower. From Les Merveilles de la Science by Louis Figuier. (Paris, c1870).
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Titre:
Sectional view of a telegraph tower for Claude Chappe's semaphore, 1792, (c1870). Artist: Unknown
Légende: Voir la traduction automatique
Sectional view of a telegraph tower for Claude Chappe's semaphore, 1792, (c1870). Chappe's (1763-1805) system was in use in France and French colonies until about 1850. Every 5 to 10 miles men in a repeater tower read the message through a telescope, then relayed it to the next tower. From Les Merveilles de la Science by Louis Figuier. (Paris, c1870).
Crédit:
Album / Heritage Images / Oxford Science Archive
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Modèle: Non - Propriété: Non
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Taille de l'image:
3046 x 5734 px | 50.0 MB
Taille d'impression:
25.8 x 48.5 cm | 10.2 x 19.1 in (300 dpi)
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