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Item Type- Mixed Materials (2)
- advertisements (1)
- brochures (1)
- correspondence (1)
- diagrams (1)
- memorandums (1)
- patents (1)
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- Airplanes--Parts (2)
- Lear Avia, Inc. (2)
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![[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 24, Folder 4; Box 205, Folder 5 - "Expandable ring clutch (WPL)" [L-D-123], 1943-1944 July]](https://digitalcollections.museumofflight.org/files/square_thumbnails/e7796ae7114282580cc7957d562319cd.jpg "[William P. and Moya Olsen Lear Papers, Box 24, Folder 4; Box 205, Folder 5 - \"Expandable ring clutch (WPL)\" [L-D-123], 1943-1944 July]")
Items from Box 24, Folder 4 and Box 205, Folder 5 of the William P. and Moya Olsen Lear Papers, July 1943-1944. Contains correspondence, diagrams, memos, and patent copies related to the expandable ring clutch. 27 total items and original folder labeled "Expandable ring clutch (WPL) / L-d-123."