Telegraph machine

Telegraph machine

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Credit: SHEILA TERRY/SCIENCE PHOTO LIBRARY

Caption: Telegraph machine. Historical artwork of a Foy- Breguet twin-needle electric telegraph machine (circa 1845). Telegraphs were used to send information as a series of electric pulses. The relative positions of the two needles of the telegraph machine indicated different letters or numbers. Published in La Telegraphie Historique (History of Telegraphy) by Alexis Belloc in 1888.

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Keywords: 1800s, 1845, 1888, 19th century, alexis belloc, alphonse foy, artwork, communication, communications, device, drawing, electric, equipment, foy-breguet, historical, history, illustration, la telegraphie historique, louis breguet, machine, painting, technological, technology, telecommunication, telecommunications, telegraph, telegraphy, twin-needle

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