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Bookmark or Share- Telegraphy - WikipediaA telegraph is a device for transmitting and receiving messages over long distances, i.e., for telegraphy. The word telegraph alone generally refers to an electrical telegraph. Wireless telegraphy is transmission of messages over radio with telegraphic codes.
- What is the telegraph and how does it work? - TechTargetWhat is a telegraph? A telegraph is a communication system that sends information by making and breaking an electrical connection. It is most associated with sending electrical current pulses along a wire with Morse code encoding.
- Morse Code & Telegraph: Invention & Samuel Morse ‑ HISTORYDeveloped 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...
- History and Development of the Telegraph -- Telegraphy - EdinformaticsTelegraphy (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. Radiotelegraphy or wireless telegraphy transmits messages using radio.
- Electrical telegraph - WikipediaElectrical telegraphy is a point-to-point text messaging system, primarily used from the 1840s until the late 20th century.
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