- Terminology
The word telegraph (from Ancient Greek: τῆλε (têle) 'at a distance' and γράφειν (gráphein) 'to write') was coined by the … See more
Telegraphy - Wikipedia
Telegraphy is the long-distance transmission of messages where the sender uses symbolic codes, known to the recipient, rather than a physical exchange of an object bearing the message. Thus flag semaphore is a method of telegraphy, whereas pigeon post is not. Ancient signalling systems, although sometimes quite extensive and sophisticated as in China, w… See more
Popular cultureThe optical telegraph was quickly forgotten once it went out of service. While it was in operation, it was very familiar to the public across Europe. Examples appear in many paintings of the period. Poems include "Le Telégraphe… See more
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Wireless telegraphy - Wikipedia
Wireless telegraphy or radiotelegraphy is the transmission of text messages by radio waves, analogous to electrical telegraphy using cables. Before about 1910, the term wireless telegraphy was also used for other experimental technologies for transmitting telegraph signals without wires. In radiotelegraphy, information is transmitted by pulses of radio waves of two different lengths called "dots" and …
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Telegraphy in the United States - Wikipedia
Telegraphy facilitated faster and more profitable freight and passenger railway traffic, consolidated financial and commodity markets, sped political news and commentary, and lowered …
Telegraphy - Simple English Wikipedia, the free encyclopedia
With telegraphy (from the Greek words tele (τηλε) = far and graphein (γραφειν) = write), messages are sent over long distances without any need to physically transport letters. To send …
Morse Code & Telegraph: Invention & Samuel Morse …
Nov 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...
September 11 Attacks: Facts, Background & Impact Sep 10, 2020 Cotton Gin and Eli Whitney Oct 9, 2019 Guglielmo Marconi - HISTORY Jan 30, 2019 Interchangeable Parts Aug 20, 2018 Telegraph | Invention, History, & Facts | Britannica
Many telegraphic systems have been used over the centuries, but the term is most often understood to refer to the electric telegraph, which was developed in the mid-19th century and for more than 100 years was the principal means of …
Development of the telegraph industry - Encyclopedia …
A variant that ultimately became known as the International Morse Code was adopted in 1851 for use on cables, for land telegraph lines except in North America, and later for wireless telegraphy. Except for some minor …
The History of the Electric Telegraph and Telegraphy
Oct 13, 2019 · In 1828, the first telegraph in the USA was invented by Harrison Dyar, who sent electrical sparks through a chemically treated paper tape to burn dots and dashes. In 1825, British inventor William Sturgeon (1783-1850) …
History and Development of the Telegraph -- Telegraphy
Telegraphy (from the Greek words tele = far away and grapho = write) is the long-distance transmission of written messages without physical transport of letters, originally over wire. …
Timeline of North American telegraphy - Wikipedia
The timeline of North American telegraphy is a chronology of notable events in the history of the electric telegraphy in the United States and Canada, including the rapid spread of telegraphic …
telegraph - Wiktionary, the free dictionary
Nov 5, 2024 · Synonym of telegraphy, any process for transmitting arbitrarily long messages over a long distance using a symbolic code. This strict sense of telegraph developed from French …
Who Invented the Telegraph? - HowStuffWorks
Jul 18, 2023 · While often credited as the inventor of the telegraph, Samuel Morse built upon earlier concepts and technologies in the field of telegraphy. In the early 19th century, he …
The Origins of the Telegraph - The Franklin Institute
Jun 30, 2023 · While the idea for a machine dates back to the 1700s, it wasn’t until the 19 th century that the telegraph – a machine that transmits text across distance – was developed. …
telegraphy - Wiktionary, the free dictionary
Oct 5, 2024 · telegraphy (usually uncountable, plural telegraphies) Any process for transmitting arbitrarily long messages over a long distance using a code, especially by means of electrified …
Telegraph - Engineering and Technology History Wiki - ETHW
Sep 22, 2016 · Telegraphy was the first technology to sever the connection between communication and transportation. Because of the telegraph’s ability to transmit information …
Electrical telegraph - Wikipedia
Electrical telegraphy is a point-to-point text messaging system, primarily used from the 1840s until the late 20th century. It was the first electrical telecommunications system and the most widely …
Samuel Morse and the Invention of the Telegraph - ThoughtCo
Apr 2, 2019 · At the height of its use, telegraph technology involved a worldwide system of wires with stations and operators and messengers, that carried messages and news by electricity …
Category:Telegraphy - Wikipedia
The main article for this category is Telegraphy. Wikimedia Commons has media related to Telegraphy. This category has the following 6 subcategories, out of 6 total. The following 112 …
Telegraphy - WikiMili, The Best Wikipedia Reader
Aug 27, 2024 · Telegraphy is the long-distance transmission of messages where the sender uses symbolic codes, known to the recipient, rather than a physical exchange of an object bearing …
Telegrafia sem fio – Wikipédia, a enciclopédia livre
Um operador de rádio do Corpo de Sinalização do Exército dos EUA em 1943, na Nova Guiné, transmitindo por radiotelegrafia. A telegrafia sem fio ou radiotelegrafia é a transmissão de …
Optical telegraph - Wikipedia
An optical telegraph is a line of stations, typically towers, for the purpose of conveying textual information by means of visual signals (a form of optical communication).
Submarine communications cable - Wikipedia
A cross section of the shore-end of a modern submarine communications cable. 1 – Polyethylene 2 – Mylar tape 3 – Stranded steel wires 4 – Aluminium water barrier 5 – Polycarbonate 6 – …
Pasilalinic-sympathetic compass - Wikipedia
The compass in Dictionnaire Infernal, 1863. [1] Cartoon by Honoré Daumier. The pasilalinic-sympathetic compass, also referred to as the snail telegraph, was a device built to test the …