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Lesage with the first electric telegraph, Geneva, 1774

Lesage with the first electric telegraph, Geneva, 1774

C045/3528

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Credit

ANN RONAN PICTURE LIBRARY / HERITAGE IMAGES / SCIENCE PHOTO LIBRARY ANN RONAN PICTURE LIBRARY / HERITAGE IMAGES / SCIENCE PHOTO LIBRARY

Caption

Lesage experimenting with the first electric telegraph, Geneva, 1774 (c1870). George Louis Lesage (1724-1803), Swiss scientist, devised an early form of electric telegraph. It had a separate wire for each letter of the alphabet and a range limited to the distance between two rooms in Lesage's home. From Les Merveilles de la Science (The Marvels of Science) by Louis Figuier.

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