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Resultat d'imatges de télégraphe optique fonctionnement

Resultat d'imatges de télégraphe optique fonctionnement

Claude Chappe (1763 – 1805) was a French inventor who in 1792 demonstrated a practical semaphore system that eventually spanned all of France. This was the first practical telecommunications system of the industrial age, making Chappe the first telecom mogul with his "mechanical internet."

Claude Chappe (1763 – 1805) was a French inventor who in 1792 demonstrated a practical semaphore system that eventually spanned all of France. This was the first practical telecommunications system of the industrial age, making Chappe the first telecom mogul with his "mechanical internet."

Revolución Francesa La frase Liberté Egalité Fraternité fue la frase principal entre los francés en busca de la libertad

Revolución Francesa La frase Liberté Egalité Fraternité fue la frase principal entre los francés en busca de la libertad

July 25, 1837 - The first commercial use of an electric telegraph is successfully demonstrated by William Cooke and Charles Wheatstone between Euston and Camden Town in London.

July 25, 1837 - The first commercial use of an electric telegraph is successfully demonstrated by William Cooke and Charles Wheatstone between Euston and Camden Town in London.

Types of Multiplexers and Multiplexing in Mobile Network @goo.gl/e5ht3K #electronic #electrical  #engineeringstudents

Types of Multiplexers and Multiplexing in Mobile Network @goo.gl/e5ht3K #electronic #electrical #engineeringstudents

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