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23 h 50 min, 31 déc. 1859 ans - Telegraphic Optical Systems (use of flags, or traffic lights)

Ajouté au bande de temps:

jose luis herrera lozada

ByLuis Edko Herr
11 oct. 2017

Date:

23 h 50 min, 31 déc. 1859 ans
Maintenaint
~ Il y a 164 ans
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