3 finding aid(s) found containing the word(s) Marconi, Guglielmo, marchese, 1874-1937.

  1. 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.

    Summary:

    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.

  2. Alexander Graham Bell family papers, 1834-1974

    147,700 items. 446 containers plus 8 oversize. 183.2 linear feet. 23 microfilm reels. -- Manuscript Division, Library of Congress, Washington, D.C.

    Summary:

    Inventor and educator. Correspondence, diaries, journals, laboratory notebooks, patent records, speeches, writings, subject files, genealogical records, printed material, and other papers pertaining primarily to Bell's invention of the telephone in 1876, his contributions to the education of the deaf, and his interests in a wide range of scientific and technological fields, including aviation, eugenics, and marine engineering. The collection includes the papers of other members of the Bell, Fairchild, Grosvenor, and Hubbard families.

  3. A.W. Greely papers, 1753-1959

    46,000 items. 148 containers plus 3 oversize. 73.6 linear feet. -- Manuscript Division, Library of Congress, Washington, D.C.

    Summary:

    Explorer, United States Army officer, and author. Correspondence, letterbooks, memoranda, diaries, speeches, lectures, writings, military papers, biographical material, Greely (Greeley) family correspondence, scrapbooks, financial records, clippings, maps, prints, memorabilia, and other papers relating primarily to Greely's military career and exploration of the polar regions.