Electrical telegraph
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An electrical telegraph is a telegraph that uses electrical signals, usually conveyed via telecommunication lines or radio. The electromagnetic telegraph is a device for human-to-human transmission of coded text messages.
- See also: Wikipedia, Wikisource
- Related: 92 Code, Harrison Gray Dyar, Submarine communications cable, Western Electric Company, Wireless telegraphy, Bell Canada, Guglielmo Marconi
| Morse Telegraph Club, Inc. Morse Telegraph Club, Inc. www.morsetelegraphclub.org - Web |
| Shilling's telegraph Shilling's telegraph www.rustelecom-museum.ru/.../?ContainerID=757&containerType=62&objectID=399&langID=57 - Web |
| History of electromagnetic telegraph History of electromagnetic telegraph www.du.edu/~jcalvert/tel/morse/morse.htm - Web |
Gallery for «Electrical telegraph»
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| The first electric telegraphs The first electric telegraphs www.connected-earth.co.uk/.../index.htm - Web |
| The Dawn of Telegraphy The Dawn of Telegraphy www.computer-museum.ru/connect/chlitlgr.htm - Web |
| Pavel Shilling and his telegraph Pavel Shilling and his telegraph www.pcweek.ru/Year2002/N3/CP1251/Communications/chapt3.htm - Web |
| Distant Writing Distant Writing distantwriting.co.uk - Web |
| NASA - Carrington Super Flare NASA - Carrington Super Flare science.nasa.gov/headlines/y2008/06may_carringtonflare.htm? - Web |
| How Cables Unite The World How Cables Unite The World books.google.com/.../books?id=DI038d4SBFEC&printsec=titlepage#PPA2298,M1 - Web |
