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Item Type- Mixed Materials (2)
- advertisements (1)
- brochures (1)
- patents (1)
- technical drawings (1)
- In copyright (2)
- Lear Avia, Inc. (2)
- Airplanes--Parts (1)
- Radio direction finders (1)
- Radio in aeronautics (1)
2 results
![[William P. and Moya Olsen Lear Papers, Box 27, Folder 34; Box 200, Folder 3 - Assorted ad sheets and brochures for various Lear Avia products [RM files], undated (circa 1939-1944)]](https://digitalcollections.museumofflight.org/files/square_thumbnails/b7ffbe8a9970182a89dff4db1247c004.jpg "[William P. and Moya Olsen Lear Papers, Box 27, Folder 34; Box 200, Folder 3 - Assorted ad sheets and brochures for various Lear Avia products [RM files], undated (circa 1939-1944)]")
Items from Box 27, Folder 34 and Box 200, Folder 3 of the William P. and Moya Olsen Lear Papers, circa 1939-1944. Contains assorted ad sheets and brochures for various Lear Avia products. 18 total items.
![[William P. and Moya Olsen Lear Papers, Box 18, Folder 2; Box 200, Folder 2 - "Radio direction finding system (Case 20-1)" -- patent application [RM files], 1940-1943]](https://digitalcollections.museumofflight.org/files/square_thumbnails/391d457919bc96611826fb4a8a7cea67.jpg "[William P. and Moya Olsen Lear Papers, Box 18, Folder 2; Box 200, Folder 2 - \"Radio direction finding system (Case 20-1)\" -- patent application [RM files], 1940-1943]")
Items from Box 18, Folder 2 and Box 200, Folder 2 of the William P. and Moya Olsen Lear Papers, circa 1940-1943. Contains documents and drawings related to the patent application of the radio direction finding system (Case 20-1). 24 total items.