SettingsEarly telecommunications
Abraham Niclas Edelcrantz
Abraham Niclas (Clewberg) Edelcrantz (28 July 1754, Turku, – 15 March 1821, Stockholm) was a Finnish born Swedish poet and inventor.
Abraham Niclas (Clewberg) Edelcrantz (28 July 1754, Turku, – 15 March 1821, Stockholm) was a Finnish born Swedish poet and inventor.
Bullroarer (music)
The bullroarer, rhombus, or turndun, is an ancient ritual musical instrument and means of communicating over extended distances.
The bullroarer, rhombus, or turndun, is an ancient ritual musical instrument and means of communicating over extended distances.
Canadian Parliamentary Motion on Alexander Graham Bell
The first session of Canada's 37th Parliament passed a Canadian Parliamentary Motion on Alexander Graham Bell, on June 21, 2002, to affirm that Alexander Graham Bell was the inventor of the tele...
The first session of Canada's 37th Parliament passed a Canadian Parliamentary Motion on Alexander Graham Bell, on June 21, 2002, to affirm that Alexander Graham Bell was the inventor of the tele...
Carrier pigeon
A carrier pigeon is a homing pigeon (specifically a domesticated rock pigeon, Columba livia) that is used to carry messages.
A carrier pigeon is a homing pigeon (specifically a domesticated rock pigeon, Columba livia) that is used to carry messages.
Claude Chappe
Claude Chappe (December 25, 1763 – January 23, 1805) was a French inventor who in 1792 demonstrated a practical semaphore system that eventually spanned all of France.
Claude Chappe (December 25, 1763 – January 23, 1805) was a French inventor who in 1792 demonstrated a practical semaphore system that eventually spanned all of France.
Drum (communication)
Developed from hollow tree trunks, and used by cultures living in deforested areas, drums served as an early form of long distance communication, and were used during ceremonial and religious fu...
Developed from hollow tree trunks, and used by cultures living in deforested areas, drums served as an early form of long distance communication, and were used during ceremonial and religious fu...
Fiery cross
The Fiery cross is the English language term for a piece of wood, such as a baton, that North Europeans, e.g. Scotsmen and Scandinavians, used to send to rally people for things (assemblies)...
The Fiery cross is the English language term for a piece of wood, such as a baton, that North Europeans, e.g. Scotsmen and Scandinavians, used to send to rally people for things (assemblies)...
Fryctoria
Fryctoria was a means of communication was used in Ancient Greece.
Fryctoria was a means of communication was used in Ancient Greece.
Heliograph
A heliograph (Ἥλιος helios, meaning "sun", and γραφειν graphein, meaning "write") is a wireless solar telegraph that signals by flashes of sunlight (generally using Morse code) reflected...
A heliograph (Ἥλιος helios, meaning "sun", and γραφειν graphein, meaning "write") is a wireless solar telegraph that signals by flashes of sunlight (generally using Morse code) reflected...
Homing pigeon
The homing pigeon is a variety of domestic pigeon derived from the Rock Pigeon (Columba livia domestica) selectively bred to find its way home over extremely long distances.
The homing pigeon is a variety of domestic pigeon derived from the Rock Pigeon (Columba livia domestica) selectively bred to find its way home over extremely long distances.
Hydraulic telegraph
A hydraulic telegraph was one of two hydraulic-telegraphic telecommunication systems, one developed in 4th century BC Greece, and the other in 19th century AD Britain.
A hydraulic telegraph was one of two hydraulic-telegraphic telecommunication systems, one developed in 4th century BC Greece, and the other in 19th century AD Britain.
Indian Radio and Cable Communications Company
The Indian Radio and Cable Communications Company, Ltd. was a subsidiary corporation formed by Imperial and International Communications, Ltd. and the India Radio Telegraph Company in 1932.
The Indian Radio and Cable Communications Company, Ltd. was a subsidiary corporation formed by Imperial and International Communications, Ltd. and the India Radio Telegraph Company in 1932.
Invention of the telephone
The invention of the telephone is the culmination of work done by many individuals, the history of which involves a collection of claims and counterclaims.
The invention of the telephone is the culmination of work done by many individuals, the history of which involves a collection of claims and counterclaims.
Mechanical television
Mechanical television was a television system that used mechanical or electromechanical devices to capture and display images.
Mechanical television was a television system that used mechanical or electromechanical devices to capture and display images.
Polybius square
In cryptography, the Polybius square, also known as the Polybius checkerboard, is a device invented by the Ancient Greek historian and scholar Polybius, described in Hist.
In cryptography, the Polybius square, also known as the Polybius checkerboard, is a device invented by the Ancient Greek historian and scholar Polybius, described in Hist.
Relay league
A relay league is a chain of message forwarding stations in a system of optical telegraphs, radio telegraph stations, or riding couriers.
A relay league is a chain of message forwarding stations in a system of optical telegraphs, radio telegraph stations, or riding couriers.
Semaphore line
A semaphore telegraph, optical telegraph, shutter telegraph chain, Chappe telegraph, or Napoleonic semaphore is a system of conveying information by means of visual sig...
A semaphore telegraph, optical telegraph, shutter telegraph chain, Chappe telegraph, or Napoleonic semaphore is a system of conveying information by means of visual sig...
Signal lamp
A signal lamp (sometimes called an Aldis lamp, named after Arthur C. W. Aldis who invented a widely used design) is a visual signaling device for optical communication (typically usi...
A signal lamp (sometimes called an Aldis lamp, named after Arthur C. W. Aldis who invented a widely used design) is a visual signaling device for optical communication (typically usi...
Speaking tube
A speaking tube or voicepipe is a device based around two cones connected by an air pipe through which speech can be transmitted over an extended distance.
A speaking tube or voicepipe is a device based around two cones connected by an air pipe through which speech can be transmitted over an extended distance.
Telecommunication
Telecommunication is the transmission of information over significant distances to communicate.
Telecommunication is the transmission of information over significant distances to communicate.
Telegraph hill
A telegraph hill is a hill or other natural elevation, chosen as part of an optical telegraph system because of the relatively great distance between it and at least one other point, which it ma...
A telegraph hill is a hill or other natural elevation, chosen as part of an optical telegraph system because of the relatively great distance between it and at least one other point, which it ma...
Telephonoscope
A telephonoscope was an early concept of videophone and television, conceptualized in the late 1870's through the 1890's.
A telephonoscope was an early concept of videophone and television, conceptualized in the late 1870's through the 1890's.
United States HRes. 269 on Antonio Meucci
On June 11, 2001 the United States Congress passed a resolution HRes 269, which recognized the contributions of Antonio Meucci.
On June 11, 2001 the United States Congress passed a resolution HRes 269, which recognized the contributions of Antonio Meucci.
Whistled language
Whistled languages use whistling to emulate speech and facilitate communication.
Whistled languages use whistling to emulate speech and facilitate communication.