Telegraph

The telegraph is a communication system that transmits textual messages through electrical signals over wires. It facilitated rapid long-distance communication and had a significant impact on many aspects of society, including commerce, news dissemination, and military operations.
 Samuel Morse United States 1844 Telegraph

The telegraph is a communication system that transmits textual messages through electrical signals over wires. It facilitated rapid long-distance communication and had a significant impact on many aspects of society, including commerce, news dissemination, and military operations.