Electrical telegraph (nonfiction): Difference between revisions
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In a matter of decades after their creation in the 1830's, electrical telegraph networks permitted people and commerce to transmit messages across both continents and oceans almost instantly, with widespread social and economic impacts. | In a matter of decades after their creation in the 1830's, electrical telegraph networks permitted people and commerce to transmit messages across both continents and oceans almost instantly, with widespread social and economic impacts. | ||
On August 20, 1911, the first cable message sent around the world from the U.S. by commercial telegraph was transmitted from New York City. It read “This message sent around the world,” left the New York Times building at 7:00 pm and was received at 7:16 pm after travelling nearly 29,000 miles through 16 relays via the Azores, Gibraltar, India, Phillipines, Midway, Guam, Hawaii and San Francisco. | |||
== In the News == | == In the News == | ||
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== Fiction cross-reference == | == Fiction cross-reference == | ||
* [[Gnomon algorithm]] | * [[Gnomon algorithm]] | ||
* [[Gnomon Chronicle]] | |||
== Nonfiction cross-reference == | == Nonfiction cross-reference == | ||
Revision as of 21:00, 15 August 2018
An electrical telegraph is a telegraph that uses electrical signals, usually conveyed via dedicated telecommunication lines or radio.
The electrical telegraph, or more commonly just telegraph, becoming the first form of electrical telecommunications, superseding optical semaphore telegraph systems.
In a matter of decades after their creation in the 1830's, electrical telegraph networks permitted people and commerce to transmit messages across both continents and oceans almost instantly, with widespread social and economic impacts.
On August 20, 1911, the first cable message sent around the world from the U.S. by commercial telegraph was transmitted from New York City. It read “This message sent around the world,” left the New York Times building at 7:00 pm and was received at 7:16 pm after travelling nearly 29,000 miles through 16 relays via the Azores, Gibraltar, India, Phillipines, Midway, Guam, Hawaii and San Francisco.
In the News
Fiction cross-reference
Nonfiction cross-reference
External links:
- Electrical telegraph @ Wikipedia