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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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20 ago 1793 ano - 1793 Commercial Semaphore System

Descrição:

Chappe brothers established the first commercial semaphore system between two locations near Paris. Napoleon used it a lot. Semaphore signaling spread to Italy, Germany and Russia. Thousands of men were employed manning the stations. The last operational semaphore system went out of business in 1860, Algeria.

Adicionado na linha do tempo:

Telecommunications: A History

ByPaul Duran Jimenez
20 out 2017
0
0
521

Data:

20 ago 1793 ano
Agora
~ 232 years ago
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