Aerial Telegraph (Semaphore). Artist's impression of Claude Chappe (1763-1895), French engineer and inventor, demonstrating his telegraph system. Widely used, particularly in France and her colonies, until about 1850. From 'Le Petit Journal', Paris, 1901.
Aerial Telegraph (Semaphore). Artist's impression of Claude Chappe (1763-1895), French engineer and inventor, demonstrating his telegraph system. Widely used, particularly in France and her colonies, until about 1850. From 'Le Petit Journal', Paris, 1901