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Collection contains large-scale black and white photographic prints taken by G.E. Kidder Smith of historic and contemporary buildings in 32 states.

808 glass-plate negatives and ten black-and-white telescopic photographic prints of astronomical subjects.

The Tharchin Collection consists primarily of correspondence, publications and drafts, photographs, daybooks and financial accounts, and autobiographical materials. The geographic coverage of the collection spans both sides of the Himalayas, in particular, the activities of intellectuals, officials, missionaries, and other historical figures in India, Sikkim, and Tibet.

Correspondence, manuscripts, typescripts, research files, documents, printed materials, photographs, and memorabilia of Mr and Mrs Hough. Correspondence includes both personal and business letters, dealing with wildlife conservation, civic interests, and birding. There is some correspondence of George A. Hough, Sr., father of H.B. Hough, who was editor of the New Bedford MA Standard. Most of the correspondence is arranged alphabetically, by personal name or subject, out-going and in-coming filed together. Henry and Elizabeth Hough's correspondence, for which there are no in-coming or related letters, are filed chronologically. Cataloged correspondents include Calvin Coolidge, Max Eastman, Helen Keller, John F. Kennedy, Emily Post, and James Reston.

Papers, correspondence, manuscripts, clippings, and printed material relating to Dr. Bela Fabian's activities against the Communist government of Hungary. One microfilm reel of Hungarian political cartoons, including many caricatures of Fabian. Also, eighteen political cartoons by Bela and Ilona Fabian done at the time of the Cuban Missile crisis in 1961. These tend to be anti-Castro and anti-Khruschev.

Professional 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