Friis, H. T. (Harald Trap), 1893-1976
H. T. Friis papers, 1924-1976.
Correspondence, scientific notes and drawings, manuscripts of writings, notebooks, scrapbooks, diplomas and certificates, photographs, newspaper clippings, pamphlets, books, and other printed material, and memorabilia.
Danish-born engineer (Radio receiving; static; amplifiers; generators; direction; microwaves). E. E. Royal Technical College, Copenhagen, 1916; Royal Gun Factory, Copenhagen, 1917-1918; radio research engineer, Western Electric Company (New York), 1919-1924; Bell Telephone Labs., 1925-1945, director radio research, 1946-.
Friis, H. T. (Harald Trap), 1893-1976
Engineering -- Research.
Books. aat
Certificates. aat
Clippings. aat aat aat
Diplomas. aat
Drawings. aat aat
Manuscripts for publication. aat
Memorabilia. aat ftamc aat
Notebooks. aat
Notes. aat
Scrapbooks. aat
Engineers. lcsh
Scientists lcsh
AIP-ICOS
Library of Congress. Manuscript Division. James Madison Memorial Building, First Street and Independence Avenue SE, Washington, DC 20540, USA