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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
By
Beatriz
30 Sep 2018
0
0
301
Date:
jan 1, 250 BC
Now
~ 2278 years ago
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