// todo need optimize like in event.jsp. Add indexing or not indexing this page. TELEGRAPH (1830-1840) (1 ene 1830 año – 1 ene 1840 año) (Cinta de tiempo)
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TELEGRAPH (1830-1840) (1 ene 1830 año – 1 ene 1840 año)

Descripción:

Telegraph is a system of communication in this era. It is a long distance transmission of textual messages where the sender uses symbolic codes to the receiver. It creates signal by making and breaking electrical connections

Añadido al timeline:

INDUSTRIAL

BySab Etcuban
17 dic 2019

fecha:

1 ene 1830 año
1 ene 1840 año
~ 10 years

Fotos:

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