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28 déc. 1839 - Morse Code

Description:

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

Ajouté au bande de temps:

Unit 4b 1825-1850

ByJasmine Doyle

30 avr. 2020

0

0

443

Date:

28 déc. 1839

Maintenaint

~ Il y a 185 ans

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