3 finding aid(s) found containing the word(s) American Telephone and Telegraph Company.

  1. Emile Berliner collection, 1871-1965

    41 boxes (approximately 1,000 items). 232 photographic prints : . 29 negatives : . over 400 sound discs, including zinc, copper, celluloid, rubber, shellac, and vinyl pressings and masters, in various speeds, and in sizes ranging from 5 to 12 inches in diameter. 1 film reel of 1 (12 feet) : . over 100 items, chiefly telephone, gramophone, and laboratory equipment, with 7 acoustic insulating panels and material samples, all made of various materials and in various sizes. -- Recorded Sound Research Center, Motion Picture, Broadcasting, and Recorded Sound Division, Library of Congress, Washington, D.C.

    Summary:

    Unpublished and published textual materials, photographs, sound recordings, scrapbooks, artifacts, and a motion picture documenting the life and work of the German-born immigrant to America who invented the gramophone, the flat disc recording, the radio microphone, acoustic tile, and an early version of the helicopter. Included are unpublished and experimental gramophone records dating from the 1890s, some of them featuring the voices of Berliner and various family members, as well as recordings published by Berliner's gramophone companies in the U.S., Canada, and Germany.

    Please note:

    Access restrictions apply.

  2. Harold Leventhal papers, 1932-1980

    80,000 items. 236 containers. 94 linear feet. -- Manuscript Division, Library of Congress, Washington, D.C.

    Summary:

    Lawyer and jurist. Chiefly correspondence, case files, notebooks and notes, and office files documenting Leventhal's service as judge on the United States. Court of Appeals for the District of Columbia Circuit; together with private correspondence, files from his legal practice in Washington, D.C., speeches and writings, and other papers.

    Please note:

    Access restrictions apply.

    Some or all content stored offsite.

  3. Vannevar Bush papers, 1901-1974

    60,000 items. 186 containers. 74.4 linear feet. -- Manuscript Division, Library of Congress, Washington, D.C.

    Summary:

    Physicist, engineer, government official, and science administrator. The collection relates primarily to Vannevar Bush's role as coordinator of the scientific community for defense efforts during and after World War II when he served as chairman of the National Defense Research Committee and director of its successor, the Office of Scientific Research and Development, where he supervised the Manhattan Project and other programs.

    Please note:

    Some or all content stored offsite.