1 janv. 1844 - Telegraphy
Description:
Samuel Morse was a successful painter who became interested in the possibility of an electric telegraph in the 1830s. He patented a prototype in 1837. In 1844 he sent the first message over the first long-distance telegraph line, which stretched between Washington, D.C., and Baltimore. The message: “What hath God wrought.”Ajouté au bande de temps:
Date:
1 janv. 1844
Maintenaint
~ Il y a 181 ans