Steinheil telegraph, 1837

Steinheil telegraph, 1837

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Credit: KING'S COLLEGE LONDON/SCIENCE PHOTO LIBRARY

Caption: Steinheil telegraph. 19th-century diagram showing the phonetic electric telegraph (1837) of German inventor Carl August von Steinheil (1801-1870). Diagram from 'Traite de telegraphie electrique' (1849) by French Catholic priest and physicist Francois Napoleon Marie Moigno (1804-1884).

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Keywords: 1800s, 1837, 1849, 19th century, artwork, black-and-white, book, carl august von steinheil, communication, communications, diagram, electric, electric telegraph, electrical, equipment, european, francois napoleon marie moigno, french, german, historical, history, illustration, invention, machine, monochrome, page, physical, physics, publication, research, steinheil, technological, technology, telecommunication, telecommunications, telegraph, telegraphic, telegraphy, traite de telegraphie electrique

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