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6 févr. 1838 - telegrafo

Description:

Samuel F. B. Morse y Alfred Vail realizan la primera demostración práctica del telégrafo, que se comenzaría a comercializar en 1844.

Ajouté au bande de temps:

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ByJc Jean Carlos
14 sept. 2017

Date:

6 févr. 1838
Maintenaint
~ Il y a 186 ans

Les images:

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