AT&T Corporation
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AT&T Corporation, an abbreviation of its former name, the American Telephone and Telegraph Company, was an American telecommunications company that provided voice, video, data, and Internet telecommun
AT&T Corporation's former headquarters at 550 Madison Avenue in New York City
Share of the American Telephone & Telegraph Company, issued 20 December 1921
Helen Hann, broadcasting at WEAF in 1922
The 180,000-pound linear cable laying engine of CS Long Lines used for cable flow from storage to seabed
Bell Telephone Company
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The Bell Telephone Company was an American telecommunications company active from 1877 to 1899. It was the initial corporate entity from which the Bell System originated to build a continental conglom
AT&T Corporation
…to AT&T Inc., with AT&T Corporation continuing to exist as a long-distance calling subsidiary until its dissolution on May 1, 2024. AT&T started with Bell Patent Association, a legal entity established in 1874 to protect the patent rights of Alexander Graham Bell after he invented the telephone system. Originally a verbal…
The master telephone patent (174465), granted March 7, 1876
Gardiner Greene Hubbard, first president and a trustee of the Bell Telephone Company, and father-in-law of Alexander Graham Bell
The Centennial Exhibition in Philadelphia, 1876, brought Bell international attention.
Alexander Graham Bell ceremonially inaugurating the first New York-to-Chicago telephone line in 1892