Search Digital Records

• Item Type > Mixed Materials (remove)
• Subject > Aids to air navigation (remove)
• Format > mixed materials (remove)

Limit your search

• Mixed Materials (2)

• mixed materials (2)

• In copyright (2)

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

2 results

[William P. and Moya Olsen Lear Papers, Box 21, Folder 7; Box 207, Folder 2; Box 209, Folder 4 - "Leartron control system" [L-D-101], 1943 February - 1944 February] (Item)

Items from Box 21, Folder 7; Box 207, Folder 2; and Box 209, Folder 4 of the William P. and Moya Olsen Lear Papers, February 1943 to February 1944. Contains correspondence, diagrams, notes, photographs, and sketches related to the Leartron control system. 29 total items and original folder labeled "Leartron control system / L-D-101."

[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.