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.
Correspondence includes about 3 dozen handwritten letters to John H. Bacon from Whitney. Bacon apparently undertook the task of collecting documentation of Whitney's career in the 1950s. Another 30 letters involve former associates of Whitney's, particularly Nathaniel Henry Cooledge (known as "Oliver") who was associated with Whitney as his trust...
Correspondence, patents, photographs, newspaper clippings, and subject files about various inventors and ideas. Collection documents women inventors, American culture, 1950s-1970s, and products designed for women and the home. Donovan's papers offer a near complete invention record, including both successes and failures, as well as patent and trademark correspondence.
This collection is divided into two series: (a) Silver gelatin prints; and (b) xerographic copy prints made in the museum. The collection consists of approximately 340 photoprints (count to be verified) documenting the life of Thomas Alva Edison, especially the later period, beginning in his early fifties, continuing until his death in 1931 at age ...
Material documenting the activities of the Thomson Electric Welding Company and the Thomson Spot Welder Company. Includes copies of patents issued to Thomson or his employees, bulletins on electric resistance welding published by the companies, photographs of electric welding equipment, sales literature, historical notes on Elihu Thomson, and a led...
This collection largely contains correspondence regarding the Kleinschmidt Teletype, as well as financial records and newspaper clippings regarding the Teletype Company.
Papers relating to Haring's development of cotton picking machines, 1894-1930.
Two notebooks, April 12-July 14 and July 14-September 8, 1937, documenting development of the klystron tube at Stanford University.
Collection documents the Harris Automatic Press Company, manufacturers of a printing press with an automatic feed primarily through drawings and photographs.
The collection documents Emile Bachelet, inventor of electro-magnetic therapeutic devices for the treatment of rheumatism.