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Alexander Graham Bell was awarded the first U.S. patent for the invention of the telephone in 1876. Elisha Gray, 1876, designed a telephone using a water microphone in Highland Park, Illinois. Tivadar Puskás proposed the telephone switchboard exchange in 1876. Thomas Edison invented the carbon microphone which produced a strong telephone ...
Telephone numbers listed in 1920 in New York City having three-letter exchange prefixes. In the United States, the most-populous cities, such as New York City, Philadelphia, Boston, and Chicago, initially implemented dial service with telephone numbers consisting of three letters and four digits (3L-4N) according to a system developed by W. G. Blauvelt of AT&T in 1917. [1]
Pennsylvania Station (often abbreviated to Penn Station) was a historic railroad station in New York City that was built for, named after, and originally occupied by the Pennsylvania Railroad (PRR). The station occupied an 8-acre (3.2 ha) plot bounded by Seventh and Eighth Avenues and 31st and 33rd Streets in Midtown Manhattan.
1934: Communications Act requires public access to phone directories. The Communications Act of 1934 created the Federal Communications Commission to regulate the telephone, telegraph, and radio ...
History of Pennsylvania. The Birth of Pennsylvania, a portrait of William Penn (standing with document in hand), who founded the Province of Pennsylvania in 1681 as a refuge for Quakers after receiving a royal deed to it from King Charles II. The history of Pennsylvania stems back thousands of years when the first indigenous peoples occupied ...
A telephone directory, commonly called a telephone book, telephone address book, phonebook, or the white and yellow pages, is a listing of telephone subscribers in a geographical area or subscribers to services provided by the organization that publishes the directory. Its purpose is to allow the telephone number of a subscriber identified by ...
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 and replaced by a system of competitors.
1667 to 1875. 1667: Robert Hooke creates an acoustic string telephone that conveys sounds over a taut extended wire by mechanical vibrations. [1] [2] 1844: Innocenzo Manzetti first suggests the idea of an electric "speaking telegraph", or telephone. 1849: Antonio Meucci demonstrates a communicating device to individuals in Havana.