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![[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.