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Iosif Grigor'evich Loris-Melikov Papers, 1901-1940
1250 itemsThe papers consist of correspondence, manuscripts, subject files, photographs, and printed materials. Cataloged correspondents are Mikhail Girs, Robert R. McCormick, Isidor Singer, and Stanley Washburn. Much of the material, including correspondence, reports, and printed materials, concerns German and Russian propaganda in the Japanese War; Russian diplomacy in the first two decades of the century; and Civil War, especially in Siberia. Printed materials include Imperial government publications and also publications of the White government in Omsk.
Edwin H. Armstrong papers, 1886-1982, bulk 1912-1954
295.7 linear feetProfessional and personal files including Armstrong's correspondence with professional associations, other engineers, and friends, his research notes, circuit diagrams, lectures, articles, legal papers, and other related materials. Of his many inventions and developments, the most important are: 1) the regenerative or feedback circuit, 1912, the first amplified radio reception, 2) the superheterodyne circuit, 1918, the basis of modern radio and radar, 3) superregeneration, 1922, a very simple, high-power receiver now used in emergency mobile service, and 4) frequency modulation - FM, 1933, static-free radio reception of high fidelity. More than half the files concern his many lawsuits, primarily with Radio Corporation of America, over infringement of the Armstrong patents. Litigation continued until 1967. Other files deal with his work in the Marcellus Hartley Research Laboratory at Columbia University, 1913-1935, and with the American Expeditionary Forces in France during World War I, his Air Force contracts for communications development, Army research during World War II, the Radio Club of America, the Institute of Radio Engineers, FM development at his radio station at Alpine, N.J., the use of FM in television, his involvement in Federal Communications Commission hearings and legislation, and his work with the Zenith Radio Corporation. Also, letters to H.J. Round