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8 mai 3178 av. J.-C. - Telégrafo 1838
Description:
Antes de la patente de Samul Morse, el barón ruso Pawel Schilling había desarrollado un rudimentario telégrafo de seis hilos que enviaba las “letras” por impulsos eléctricos.
Ajouté au bande de temps:
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By
Vianney
24 sept. 2018
0
0
325
Date:
8 mai 3178 av. J.-C.
Maintenaint
~ Il y a 5207 ans
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