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Le Sage Early Electric Telegraph, 1774

Georges-Louis Le Sage (1724-1803) was a Genevan physicist. In 1774 he realized an early electric telegraph. The telegraph had a separate wire for each of the 26 letters of the alphabet and its range was only between two rooms of his home. An electrical telegraph is a telegraph that uses electrical signals, usually conveyed via dedicated telecommunication lines or radio.
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Titre:
Le Sage Early Electric Telegraph, 1774
Légende: Voir la traduction automatique
Georges-Louis Le Sage (1724-1803) was a Genevan physicist. In 1774 he realized an early electric telegraph. The telegraph had a separate wire for each of the 26 letters of the alphabet and its range was only between two rooms of his home. An electrical telegraph is a telegraph that uses electrical signals, usually conveyed via dedicated telecommunication lines or radio.
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Album / SCIENCE SOURCE
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Taille de l'image:
5731 x 3104 px | 50.9 MB
Taille d'impression:
48.5 x 26.3 cm | 19.1 x 10.3 in (300 dpi)
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