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Concept information

Terme préférentiel

telegraph  

Définition

  • The telegraph was an electrical network that enabled transmission and receiving of coded electrical signals across wires. The system, used first in Britain and then the United States, was largely developed by Samuel F. B. Morse, and was first demonstrated publicly in 1844. [Source: Encyclopedia of Journalism; Telegraph]

Concept générique

Appartient au groupe

URI

http://data.loterre.fr/ark:/67375/N9J-GL9NW5TV-H

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