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January 22, 1848 map in New York Herald showing extent of existing and planned North American telegraph lines. At this time, the service area for the United States reached Petersburg, Virginia in the south, Portland, Maine in the northeast, Cleveland, Ohio in the northwest, and as far west as East St. Louis, Illinois.
The Pacific Telegraph Act of 1860 (also known as "An Act to Facilitate Communication between the Atlantic and Pacific States by Electric Telegraph"), [1] was an Act of Congress that authorized the U.S. Treasury to fund the construction of a telegraph line across the continental United States. [2]
In 1866, Western Union acquired the American Telegraph Company & the United States Telegraph Company, its two main competitors, gaining a virtual monopoly over the American telegraphy industry. The company also began to develop new telegraphy-related services beyond the transmission and delivery of telegrams, launching the first stock ticker in ...
Monument in downtown Salt Lake City, Utah, marking the approximate location where the first transcontinental telegraph line was completed.. The first transcontinental telegraph (completed October 24, 1861) was a line that connected the existing telegraph network in the eastern United States to a small network in California, by means of a link between Omaha, Nebraska and Carson City, Nevada ...
The first practical telegraph system in the United States was put into operation by Samuel F. B. Morse and Alfred Vail between Baltimore, Maryland and Washington, DC, in 1844. By 1846, telegraph lines extended along the entire eastern seaboard and were rapidly being built westward into the interior of the country.
Initially these telegraph lines were only constructed for temporary use because of the brittle exposed copper wire that was used. But, after insulated wire began to be used, permanent lines were built. The Telegraph Construction Corps would load a coil of this wire on a mule's back and lead it straight forward to unreel the wire.
The Communications Act of 1934 is a United States federal law signed by President Franklin D. Roosevelt on June 19, 1934, and codified as Chapter 5 of Title 47 of the United States Code, 47 U.S.C. § 151 et seq. The act replaced the Federal Radio Commission with the Federal Communications Commission (FCC).
Installation of the lines and poles from Washington to Baltimore began on April 1, 1844, using chestnut poles 23 feet (7 m) high spaced 300 feet (90 m) apart, for a total of about 700 poles. [6] Two 16- gauge copper wires were installed; they were insulated with cotton thread, shellac, and a mixture of "beeswax, resin, linseed oil, and asphalt."