Magazine and newspaper clippings (1955-1974) from various sources, on the development of the computer industry; six rolls of microfilm (1955-1966); and issues of Data Processing Digest, 1970-1974.
Leonard Becker was a major participant in the development and marketing of Vinyl plastic.
These records of this company, located in Kansas City, Missouri, include invoices; bills of material (quantity surveys); sales records with model name, number, date, customer; and promotional literature and specifications.
Collection designated for miscellaneous glass plates, unidentified and/or of unknown provenance. The plates included here are indexed, but additional items may be added to the collection. There are eight plates, both negatives and positives; subjects include a man with cog railway tracks(?), two images of an observatory and two of the moon, and fou...
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...
The collection documents the history of instrumentation through catalogs, bulletins, specification sheets, price lists, and other publications of companies that produce instrumentation.
The collection documents Lewis M. Rutherfurd's work related to astronomy.
Collection of group portraits donated by Sproul Observatory. Group portraits include participants at American Astronomical Society and I.A.U. [International Astronomical Union] meetings, as well as several other taken at Johns Hopkins University, Swarthmore College, and an autographed photo of Roy W. Delaplaine at a 24-inch refractor telescope.The photographs were accumulated in the files of the Sproul Observatory, Swarthmore College, over a period of years. They form a visual record of astronomers and attendees at astronomical meetings from 1916 to 1975.
J. Harry DuBois (1903-1986) was an industrial consultant in the field of petrochemicals and plastics. In 1927 at General Electric his studies resulted in extending the use of laminated plastics.
The material includes technical notes, operating instructions and descriptions relating to projects which Hopper participated in at Harvard during and after World War II and later in the private sector. These projects involved the creation of the Navy's Mark I, II and III "mechanical calculators" (the fore runners of today's computers) and the UNI...