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jan 1, 1794 - Señales visuales mediante torres de Chappe

Description:

El telégrafo óptico es un utensilio diseñado para ser visto a gran distancia configurando diversas señales por medio de un mecanismo operado por una o varias personas.

Added to timeline:

Camila Raimondi 2do BI, burbuja A

ByCamila Raimondi
16 Apr 2021
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196

Date:

jan 1, 1794
Now
~ 232 years ago
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