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Telephone directory. 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 ...
Telegraph manager George Coy of New Haven, Connecticut, developed an exchange—the system that allows people to call each other—within a year of attending Alexander Graham Bell's demonstration ...
Ancestry.com. For-profit genealogy company. Databases include Find a Grave, RootsWeb, a free genealogy community, and Newspapers.com. Archives.gov. US National Archives and Records Administration. Free online repository with a section dedicated to genealogical research [ 1] BALSAC. Population database of Quebec, Canada. Cyndi's List.
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 ...
This is a list of online newspaper archives and some magazines and journals, including both free and pay wall blocked digital archives. Most are scanned from microfilm into pdf , gif or similar graphic formats and many of the graphic archives have been indexed into searchable text databases utilizing optical character recognition (OCR) technology.
The yellow pages are telephone directories of businesses, organized by category rather than alphabetically by business name, in which advertising is sold. The directories were originally printed on yellow paper, as opposed to white pages for non-commercial listings. The traditional term "yellow pages" is now also applied to online directories ...
BT Archives. The BT Archives is an archive preserving the documentary heritage of the British telecoms company BT and its public sector predecessors. It is designated an official place of deposit for Public Records, for those records created prior to BT's privatisation in 1984. The records include minutes, subject files, photographs, film and ...
Old Receiver schematic, c.1906 A German rotary dial telephone, the W48 Top of cellular telephone tower By 1904, over three million phones were connected by manual switchboard exchanges in the U.S. [ 32 ] By 1914, the U.S. was the world leader in telephone density and had more than twice the teledensity of Sweden, New Zealand, Switzerland, and ...
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