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apr 25, 1836 - EL TELÉGRAFO
Description:
David Alter, es un aparato que emplea señales electricas para la transmisión de mensajes de textos codificados, surgió en Elderton, Pensilvania.
Added to timeline:
Evolucion de la tecnologia AyD
By
alejandro marin
2 Oct 2018
0
0
394
Date:
apr 25, 1836
Now
~ 190 years ago
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