Telegraphy - Wikipedia
WEBThe word telegraph (from Ancient Greek: τῆλε (têle) 'at a distance' and γράφειν (gráphein) 'to write') was coined by the French inventor of the semaphore telegraph, Claude Chappe, who also coined the word semaphore. [2] A telegraph is a device for transmitting and receiving messages over long distances, i.e., for telegraphy.
Technology You Didn’t Know Still Existed: The Telegram
WEBJun 2, 2015 · One of the most infamous was a telegram consisting of a secret message in groups of coded numbers that Western Union delivered to the German Ambassador to Mexico on January 19th, 1917.
Telegraph | Invention, History, & Facts | Britannica
WEBSep 16, 2024 · Telegraph, any device or system that allows the transmission of information by coded signal over distance. The term most often refers to the electric telegraph, which was developed in the mid-19th century and for more than 100 years was the principal means of transmitting printed information.
Morse Code & Telegraph: Invention & Samuel Morse ‑ HISTORY
WEBNov 9, 2009 · Developed in the 1830s and 1840s by Samuel Morse and other inventors, the telegraph revolutionized long-distance communication. It worked by transmitting electrical signals over a wire laid...
Optical telegraph - Wikipedia
WEBOptical telegraphy dates from ancient times, in the form of hydraulic telegraphs, torches (as used by ancient cultures since the discovery of fire) and smoke signals.
Telegram brief history. Stop | OpenLearn - Open University
WEBSep 24, 2014 · An antique Morse code telegraph machine. The word 'telegram' may conjure up the image of a frayed yellowing document, containing a message about a now distant historical event, something with little connection to today's world.
A Brief History of the Telegraph — Google Arts & Culture
WEBThe telegraph exhibited in the Museum of Science in Milan, invented in 1855 by David Hughes, replaced the key used to beat the sequences of dots and dashes with a keyboard with 28 keys (very...
History of Telegraph and Telephone - KASS
WEBThe foundations of today’s global society with computerised communications were laid in the 1960s. On this page we look at the history of communications from the ancient times to appearance of the telegraph and telephone by wires.
Who Invented The Telegraph? Inside The Origins Of This Historic …
WEBJul 7, 2022 · Samuel Morse first got the idea to invent the electric telegraph in 1832, and by the time he died 40 years later, it was possible to send a message from America to Europe within minutes.
Telegraph - Encyclopedia.com
WEBJun 11, 2018 · A telegraph is any system that transmits encoded information by signal across a distance. Although the word telegraph is usually associated with sending messages by means of an electric current, it was used originally to describe a visual system for sending coded messages.