Early developments

Telegraphy for a new era

Telegraphy for a new era

By 1895, the Italian Guglielmo Marconi had demonstrated wireless telegraphy over a distance of 2.4 2.kilometers. Instead of using a metal wire, he used electromagnetic waves.

The telegraph – the Victorian Internet

The telegraph – the Victorian Internet

Both in the US and in Great Britain, the public began to take serious notice of the considerable value of the telegraph when it warned the police that criminals were on their way on an express train and could be handcuffed on arrival at the station.

Bell, Gray and the invention of the telephone

Bell, Gray and the invention of the telephone

On the morning of February 14, 1876, a representative for Alexander Graham Bell handed in a patent application to the patent office in Washington for an apparatus for transmitting vocal sounds via electricity lines.