technology,telegraphy,optical telegraph,optical communication system with three adjustable beams,invented by Claude Chappe 1792,Prussia,circa 1833,Liebig trading card,lithograph,Germany,circa 1900,telegraphs,telegraphy,invention,inventions,pointer,pointers,signal arm,telegraph pole,telegraph poles,every in visual range,wing telegraph,needle telegraph,telegraph,telegraphing,optical,communications engineering,telecommunication,telecommunications,communication,communications,country road,country roads,pedestrians,engineering,hist,Additional-Rights-Clearences-Not Available

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Size: 5000px × 3301px
Location:
Photo credit: © INTERFOTO / History / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: /, 1900s, 19th, 20th, adjustable, arm, beam, beams, card, cards, century, collectible, collecting, collector, communication, communications, country, engineering, historic, historical, history, invention, inventions, liebig, needle, optical, pedestrian, pedestrians, people, picture, pictures, pointer, pointers, pole, poles, range, road, roads, signal, system, technologies, technology, telecommunication, telecommunications, telegraph, telegraphing, telegraphs, telegraphy, trading, turn, visual, wing