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Invención del Telegrafo (21 maio 1838 ano – 27 dez 1838 ano)

Descrição:

El telégrafo fue perfeccionado por Pavel Schilling.

Adicionado na linha do tempo:

Invencion

BySmith Garcia
21 fev 2019
0
0
279

Data:

21 maio 1838 ano
27 dez 1838 ano
~ 7 months

Imagens:

YouTube:

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