Cablegram
Encyclopedia
A cablegram, sometimes shortened to just cable, was a telegram, a text possibly encrypted
, which was transmitted through the means of an electrical cable
, underwater (the submarine communications cables) or aerial.
Initially only available to governments, it was later made accessible to private companies. Submarine cables were a point of conflict between nations between 1850 and 1939, and have been addressed by several diplomatic conventions. At the beginning of 20th century, the development of radio transmission technologies, brought to the replacement of cablegrams with radiograms.
Cryptography
Cryptography is the practice and study of techniques for secure communication in the presence of third parties...
, which was transmitted through the means of an electrical cable
Cable
A cable is two or more wires running side by side and bonded, twisted or braided together to form a single assembly. In mechanics cables, otherwise known as wire ropes, are used for lifting, hauling and towing or conveying force through tension. In electrical engineering cables are used to carry...
, underwater (the submarine communications cables) or aerial.
Initially only available to governments, it was later made accessible to private companies. Submarine cables were a point of conflict between nations between 1850 and 1939, and have been addressed by several diplomatic conventions. At the beginning of 20th century, the development of radio transmission technologies, brought to the replacement of cablegrams with radiograms.