Search Digital Records

• Subject > Aids to air navigation (remove)
• Subject > Radio in aeronautics (remove)
• Subject > Lear Avia Corporation (remove)

Limit your search

• Mixed Materials (1)
• Still Image (1)

• mixed materials (1)
• photographic prints (1)

• Copyright undetermined (1)
• In copyright (1)

• Aids to air navigation (2)
• Lear Avia Corporation (2)
• Radio in aeronautics (2)
• Radio direction finders (1)
• Radio--Transmitters and transmission (1)

2 results

[William P. and Moya Olsen Lear Papers, Box 18, Folder 1 - "Radio automatic guidance system (Case 31-3) and loop antenna system (Can 8-1)," 1940-1943] (Item)

Items from Box 18, Folder 1 of the William P. and Moya Olsen Lear Papers, circa 1940-1943. Contains a patent application and other documents related to the Radio Automatic Guidance System (Case 31-3) and Loop Antenna System (Can. 8-1), as well as a manual titled "The Lear-Matic: The ultimate instrument for aircraft navigation." 15 total documents.

[Learmatic navigator] (Item)

Photograph of a Learmatic navigator, circa 1940s.Inscription: "Learmatic navigator combining directional gyro with adjustable [illegible] and automatic and/or manual loop [rotator?]."