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Title: Claude Chappe (1763-1805), French engineer and inventor, c1900. Artist: Unknown
Caption: Claude Chappe (1763-1805), French engineer and inventor, c1900. An artist's impression of Chappe 's aerial telegraph semaphore system in use. It was widely used particularly in France and its colonies until c1950. Liebig trade card issued c1900.
Credit: Album / Oxford Science Archive / Heritage Images
Image size: 5077 × 3442 px | 50.0 MB
Print size: 43.0 × 29.1 cm | 1998.8 × 1355.1 in (300 dpi)