2.5 hours of videotape documenting a succession of clock escapements invented by Richard F. Bond in the 19th century. Bond's invention was called isodynamic escapement.
The collection documents personal correspondence between Reuben Moffat and his father, John Little Moffat. The materials consist primarily of letters written during the year 1852 and detail Reuben Moffat's attempts to obtain a patent for his electric gold washer and magnetic separator invention.
The collection documents inventor and dentist Charles H. Land and consists of correspondence, financial records, patent records, articles, printed material, writings, sermons and photographs.
Ten letters from London dentists to Morrison, a dentist and inventor, discussing his improved dental engine and improved dental chair. Eight letters are from Edwin Sercombe, with one from H. S. Garrett and another from Charles S. Tomes.
Papers relate to American inventor Charles Grafton Page, an early developer of electromagnetic machinery.
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.
Although the obvious intention of the organizers of this file was to produce a comprehensive, alphabetical file of images of important scientists, inventors, engineers, and other figures in the history of science and technology, the resulting representation of significant subjects is somewhat haphazard. Also, there are some portraits of subjects o...
Papers document the life of Elmer Gates (1859-1923), an independent American inventor and psychologist. Gates developed ideas related to experimental psychology and inventions in fields such as metallurgy, electricity, microscopy, X-rays, and pedagogy. Papers include correspondence, photographs, patents, articles and clippings, writings, and estate documents.
An exhibition on African American inventors and innovators, from prominent figures such as the 19th century inventor Elijah McCoy to the anonymous men and women who made important contributions to the development of American technology. The show was curated by Portia James and organized by the Anacostia Museum. It was held at the museum from May 1989 --May 1990. These records document the planning, organizing, execution, and promotion of the exhibition. Materials include correspondence, research files, exhibit scripts, administrative records, brochures, press coverage, education packets, loan agreements, floor plans, and catalogues.
Papers relating to Haring's development of cotton picking machines, 1894-1930.