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Post Office Telegraphs, the branch of the Post Office running the telegraph network, located their head office in Telegraph Street in the old ETC building. [194] "The ever open door" was their slogan above the entrance. [195] Immediately after nationalisation, they set about extending the telegraph from outlying railway stations to town centres.
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 communications starting from 1844 and completion of the first transcontinental telegraph line in 1861.
The Telegraph: A History of Morse's Invention and Its Predecessors in the United States (McFarland, 2003). online; Downey, Greg. "Telegraph messenger boys: crossing the borders between history of technology and human geography." Professional Geographer 55.2 (2003): 134-145. online
The word telegraph (from Ancient Greek: τῆλε 'at a distance' and γράφειν '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.
George May Phelps (March 19, 1820 – May 18, 1888) was a 19th-century American inventor of automated telegraphy equipment. He is credited with synthesizing the designs of several existing printers into his line of devices [1] which became the dominant apparatus for automated reception and transmission of telegraph messages.
In 1847, he was subcontractor for J.J. Speed and constructed a telegraph line from Detroit to Jackson, Michigan, where Wade and his son operated the telegraph office.He also connected Detroit, Michigan, to Buffalo, New York, Cleveland to Cincinnati (Cleveland and Cincinnati Telegraph Company, the Wade Line), and others.
The telephone played a major communications role in American history from the 1876 publication of its first patent by Alexander Graham Bell onward. In the 20th century the American Telephone and Telegraph Company (AT&T) dominated the telecommunication market as the at times largest company in the world, until it was broken up in 1982 and replaced by a system of competitors.
Operators of telegraph services regulated the use of telegraphic addresses to prevent duplication. Rather like a uniform resource locator (URL), the telegraphic address did not contain any routing information (aside from possibly a city name), but instead could be looked up by telegraph office personnel, who would then manually direct the ...