General, 1930-2003
Part of collection: RCA/Thomson Lancaster records (2464-74)
Dates
- Creation: 1930-2003
Scope and Content
The technical data general file contains internal and external manuscripts and print publications of a technical nature, either written or used by RCA/Thomson Lancaster employees as part of the color picture tube development process. The subseries also contains four “color tube systems advanced development notebooks,” dating between circa 1950 and 1977, which hold historical documents addressing shadow mask tube development from the perspectives of key RCA researchers including H.B. Law, A.M. Morrell, D.D. Van Ormer, H.C. Moodey, and C.W. Thierfelder. Other technologies described in the notebooks include the sensing tube, focus mask, chromatron, thin tubes, flat tubes, and panel TVs. Other important files housed in the technical data general subseries include data sheet drawings, developmental color tube indices, picture tube application notes, product notices, Thomson product demonstration logs, and U.S. patents and Derwent abstracts relating to picture and display tubes.
Extent
From the Collection: 91 Linear Feet
Language of Materials
From the Collection: English
Additional Description
Access Restrictions
This collection contains material from the Manuscripts and Archives Department (M&A) and the Audiovisual Collections and Digital Initiatives Department (AVD). Box prefixes indicate which department holds an individual file or item.
All materials are subject to a 25-year time seal measured from date of creation, except series II. Company serials and series VII. Product promotional literature.
Film materials, negatives and slides are housed in cold storage and must reacclimate prior to viewing (Film Cans 1-2, Boxes AVD8 and AVD9). Please contact the Audiovisual Collections and Digital Initiatives Department at least 48 hours in advance of research visit.
Boxes M&A 925 to M&A 987 are stored offsite. Please contact the Manuscripts and Archives Department at least 48 hours in advance of research visit.
Related Names
Creator
- From the Collection: Thomson Multimedia (Organization)
- From the Collection: RCA Corporation (Former owner, Organization)
Repository Details
Repository Details
Part of the Manuscripts and Archives Repository
