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jan 1, 250 BC - Telégrafo hidráulico

Description:

Sistema de telegrafía óptica utilizado para poder comunicarse a largas distancias sobre algún acontecimiento.

Added to timeline:

Bea tecnología

ByBeatriz
30 Sep 2018
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288

Date:

jan 1, 250 BC
Now
~ 2277 years ago
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