In the early 19th century, two developments in the field of electricity opened the door to the production of the electric telegraph. First, in 1800, the Italian physicist Alessandr… See more

While scientists and inventors across the world began experimenting with batteries and the principles of electromagnetism to develop some kind of communication system, th… See more

To transmit messages across telegraph wires, in the 1830s Morse and Vail created what came to be known as Morse code. The code assigned letters in the alphabet and numbe… See more

In 1843, Morse and Vail received funding from the U.S. Congress to set up and test their telegraph system between Washington, D.C., and Baltimore, Maryland. … See more

Telegraph systems, a key innovation during the Industrial Revolution, soon spread across the world. Extensive systems appeared across Europe by the later part of the 19th ce… See more