Search

The Collection of China's spring 1989 democracy movement (六四前后中国民主运动资料汇集) documents the legacy of the democracy movement in China during 1989 as well as events leading up to the Tiananmen Square Incident and its aftermath, dating from 1988 to 1997, and with the bulk of the materials dating from 1989 to 1990. The collection holds the originals and the photocopies of over 300 ephemeral posters, leaflet/handbills, newsletters, open letters, and petitions created and distributed in 1989, including those issued by the Peking Workers Autonomous Association (北京工人自治联合会), student groups from various universities, the "Hunger Strike Newsletter" and other unofficial news bulletins, intellectuals' petitions to the government, cartoons, and poetry. The collection also comprises over 200 photographs depicting demonstration banners, big character posters, petitions and letters to the leaders. The collection also contains 15 eye-witness reports by Asians and Westerners, reports of human rights organizations, as well as books, miscellaneous news magazine articles and newspaper clippings. Related materials in the collection also include Spring 1989 issues of the banned intellectuals' journal "Eastern Record"; 147 slides of work shown at the Peking National Gallery's avant-garde exhibition; and a video tape of interviews with artists and performance art at the February 5, 1989 opening of that exhibition. Other items are several VHS, audiocassettes, floppy disks, fragments of wall posters, a T-shirt, and commemorative envelopes. A large fabric banner prepared by Chinese students at the University of Michigan which was sent to Peking where it was displayed at Tiananmen Square in May 1989 and later returned to the U.S., is also included in the collection.

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

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.