Newspaper and magazine articles, radio broadcast transcripts, and advertisements relating to Dunn's career. In addition there is a documentary of Dunn's craft on video tape, photographs, miscellaneous business stationery, and a research project titled "Charlie and Cecile Dunn: A Study in Retirement" (1978) by Linda Gann.
35 binders of engineering drawings, correspondence, and charts concerning high frequency alternators, low and high frequency antenna systems, insulators, conductors, power transformers, cables, and vacum tubes.
This material was collected by Mr. Borasky over a long period during which he worked in the field of electron microscopy. Borasky's correspondence with many of the major figures in the field is included. Much of this correspondence was initiated by Borasky as a means of documenting the history of electron microscopy that he attempted to write ove...
Dean's technical papers on pre-stressed concrete bridge construction, standard specifications on such bridges, photographs of bridges and promotional brochures on concrete use; also, biographical material, including an obituary.
Legal documents, photographs, articles, copies of correspondence, three folders of original Gray correspondence on the Gray-Bell controversy; most of the collection consists of copies of material, or printed matter, collected by Lloyd W. Taylor of the museum staff.
This collection is composed of a variety of records left behind when Local 791 vacated an apartment it had leased in New York City. As such, the collection does not offer a complete record of the union or its activities. Included are five volumes of official records: a minute book, 1938-1949; three dues ledger books, 1944-1947; and a cash book, ...
Collection deals primarily with Ayres' artificial gill underwater breathing equipment project. Includes correspondence (1956-1971), personal papers, three boxes of research notes, documentation of the success of the invention, and subsequent patents and patent litigation; also publicity for the artificial gill, items from Ayres' other projects, and...
The collection documents S. Colum Gilfillan, a charter member of the Society for the History of Technology (SHOT) in 1958 and his SHOT correspondence, particularly with Melvin Kranzberg.
This collection documents the history of the development of international communications. Includes official correspondence, 1926-1945, while Gross was at the F.C.C.; clippings; photographs; publications; legal documents; radio licenses; reports from international conferences; and F.C.C. reports and circulars.
Matthew Mawhinney, an engineer specializing in industrial furnace design and operation, collected this material during his career with Salem Engineering Co. and later as a consulting engineer.