3 janv. 1844 - Invention of the Telegraph
Description:
There were previous signaling systems that utilized flags and lights, but Samuel F.B. Morse’s system of communication by electricity used dots and dashes to convey a code that would be translated by the recipient. His first transmitted telegraph message is, “What hath God wrought?”Ajouté au bande de temps:
Date:
3 janv. 1844
Maintenaint
~ Il y a 181 ans