Finding Aids

The Allen D. Cardwell Manufacturing Corporation was a major producer of radio and telecommunications equipment during the twentieth century. Cardwell sold its products to the United States Government, major corporations, and individual consumers. The records contain technical information such as patents and design drawings, as well as a vast array of sales and promotional material from the 1920s.

For over fifty years the Radio Corporation of America (RCA) was one of the country's leading manufacturers and vendors of radios, phonographs, televisions, and a wide array of consumer and military electronics products. The Radio Corporation of America (RCA) and the Victor Talking Machine Company merged in 1929 becoming the RCA Victor Company in 1930. This merger allowed RCA to consolidate the research, engineering, manufacturing and sales of RCA products. This collection consists of negatives, a majority of which feature sound and television equipment manufactured by RCA. These images include phonographs, radios, radio-phonograph combinations, records, speakers, amplifiers, microphones, facsimile machines, televisions, equipment involved in the transmission and reception of television and radio waves, radio equipment created for use by government agencies and motion picture equipment.

The General Radio Company was incorporated in 1915, in Cambridge, Massachussets by Melville Eastham (1885-1964), and was famed for their development and manufacture of electronic instruments, test equipment, laboratory standards throughout the twentieth century. The General Radio Company History materials largely document the efforts to write a synthetic history of the General Radio Company in the late 1980s and early 1990s, supported by the IEEE History Center. While Joseph F. Keithley headed the project, it was conceived as a collaborative endeavor with various persons each writing a chapter on their topic of specialty. Additionally, there is a large binder labeled, “Company Data” containing alphabetically organized information about other firms involved in the manufacture and development of precision measuring instruments over the course of the twentieth century.

For over fifty years the Radio Corporation of America (RCA) was one of the country's leading manufacturers and vendors of radios, phonographs, televisions, and a wide array of consumer and military electronics products. This collection contains the records from the Secretary's Office of the Victor Talking Machine Company and its successors RCA Victor Company, Inc., and Radio Corporation of America's RCA Victor Division. They consist of minutes of the Executive and Management Committees, an internal annual report and two contract files for supplying sound equipment to movie studios.