5 finding aid(s) found containing the word(s) Inventions.

  1. A. Hildebrandt papers, 1826-1943

    9,000 items ; 98 containers plus 1 oversize ; 40 linear feet. -- Manuscript Division, Library of Congress, Washington, D.C.


    German author on aeronautical subjects, pioneer in aviation, and the first European to support the experiments of the Wright Brothers, full name: Alfred Louis Heinrich Hildebrandt. Correspondence, notes, diaries, clippings, scrapbooks, pamphlets, periodicals, books, maps and charts, pictures and photographs, and other material collected by Hildebrandt on the history and development of aviation,...

  2. Reader's collection, Library of Congress Copyright Office drama deposits, 1863-1928

    600 items ; 39 containers ; 15.6 linear feet. -- Manuscript Division, Library of Congress, Washington, D.C.


    Typewritten or handwritten play scripts deposited with the United States Copyright Office as unpublished and subsequently transferred to the Manuscript Division.

  3. Edward Goodrich Acheson papers, 1872-1968

    13,000 items ; 48 containers plus 2 oversize ; 20.5 linear feet. -- Manuscript Division, Library of Congress, Washington, D.C.


    Electrochemist, engineer, and inventor. Correspondence, diaries, biographical material, financial papers, laboratory notebooks relating to experiments and inventions, newspaper clippings, and other materials pertaining to Acheson's scientific work.

  4. Lee De Forest papers, 1884-1955

    375 items ; 4 containers ; 1.6 linear feet ; 2 microfilm reels. -- Manuscript Division, Library of Congress, Washington, D.C.


    Radio pioneer and inventor. Correspondence, diaries, technical notes and other material relating to De Forest's inventions in radio and electronics and their effect in sound recording and transmission, efforts to exploit his discoveries through various business ventures, and his competition with Guglielmo Marconi in the field of wireless communication.

  5. 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 Reference Center, Motion Picture, Broadcasting & Recorded Sound Division, Library of Congress, Washington, D.C.


    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...