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• Subject > Airplanes--Parts (remove)
• Item Type > Mixed Materials (remove)

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• Mixed Materials (3)

• correspondence (2)
• diagrams (2)
• patents (2)
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• brochures (1)
• memorandums (1)
• technical drawings (1)

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• Airplanes--Parts (3)
• Lear Avia, Inc. (3)
• Aids to air navigation (1)

3 results

[William P. and Moya Olsen Lear Papers, Box 27, Folder 4; Box 207, Folder 2 - Product "pitch" letters and price lists, 1940 September - 1941 May] (Item)

Items from Box 27, Folder 4 and Box 207, Folder 2 of the William P. and Moya Olsen Lear Papers, September 1940 through May 1941. Contains product "pitch" letters, diagrams, technical drawings, brochures, and price lists related to Lear products. 26 total items and original folder labeled "Lear / General letters re Products / #17."

[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)] (Item)

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] (Item)

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."