copper1844

Copper wires first carried telegraph messages in the 1840s, beginning the wired communication era.

#copper#telegraph#1844#wired#first

"The first public payphone was installed in 1889 in Hartford, Connecticut, charging 5 cents per call."

"The first wired communication system was the telegraph, invented in 1837, using electrical signals over wires."

"The wired telephone network, built with copper wires, connected the world for over a century before wireless became dominant."