Search Digital Records
Limit your search
Item Type- Mixed Materials (1)
- Text (1)
- mixed materials (1)
- pamphlets (1)
- In copyright (2)
- Lear Developments (2)
- Learadio (2)
- Radio in aeronautics (2)
- Radio--Transmitters and transmission (2)
- Inventions (1)
- Radio direction finders (1)
2 results
Pamphlet about Learadio aircraft radio equipment, circa 1930s. Contains technical specifications and images of various models of transmitters, receivers, power supplies, and accessories. 41 pages.
Items from Box 4, Folder 6 of the William P. and Moya Olsen Lear Papers, September to October 1939. Folder contains assorted items related to the Learadio Airport Localizer (L-P-2), including summaries, correspondence, diagrams, sketches, a clipping, and a Library of Congress certificate of copyright. 14 total documents and original folder labeled "L-p2 / 'Learadio Airport Localizer.'"