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28 dez 1839 ano - Morse Code

Descrição:

Morse Code created by Samuel F.B. Morse sent electrical signals along a cable that led to the invention of the telegraph.

Adicionado na linha do tempo:

Unit 4b 1825-1850

ByJasmine Doyle

30 abr 2020

0

0

440

Data:

28 dez 1839 ano

Agora

~ 185 years ago

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