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• Mixed Materials (25)

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• Piqua (Clark County, Ohio) (1)
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• press releases (6)
• mixed materials (5)
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• notes (documents) (4)
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• In copyright (25)

• Lear Motors Corporation (6)
• Aids to air navigation (5)
• Lear Fan Limited (5)
• Learjet Lear Fan 2100 (Futura) (5)
• Lear Avia Corporation (4)
• Lear Avia, Inc. (4)
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• World War, 1939-1945 (3)
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• Radio direction finders (2)
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25 results

[William P. and Moya Olsen Lear Papers, Box 93, Folder 7 - "Brief history of the Lear Motors Corporation research of vapor turbines" and "Gas turbines," undated (circa 1968-1976)] (Item)

Items from Box 93, Folder 7 of the William P. and Moya Olsen Lear Papers, circa 1968-1976. Contains presentation notes, a brochure, patent copies, and diagrams related to the Lear Motors Corporation's history and turbine development. 28 total items.

[William P. and Moya Olsen Lear Papers, Box 50, Folder 11 - "Aviation radio before, during, and after the war" -- WPL speech, 1945 March 7] (Item)

Items from Box 50, Folder 11 of the William P. and Moya Olsen Lear Papers, March 7, 1945. Contains a typed copy of speech delivered by William P. Lear to the Aviation Writers Association and booklet with a slightly edited version of the speech. The speech focuses on Lear's ongoing development of aviation radio devices. Two total documents.

[William P. and Moya Olsen Lear Papers, Box 107, Folder 5; Box 206, Folder 4 - Sound suppressor (WPL/415-1/Aux) -- patent application, licensing agreement and receipts [RM files], 1972-1976] (Item)

Items from Box 107, Folder 5 and Box 206, Folder 4 of the William P. and Moya Olsen Lear Papers, circa 1972-1976. Contains a patent application, licensing agreement, photographs, and receipts related to the Lear jet engine sound suppressor. 53 total items.

[William P. and Moya Olsen Lear Papers, Box 4, Folder 6 - "Learadio Airport Localizer (L-P-2)", 1939 September - October] (Item)

Items from Box 4, Folder 6 of the William P. and Moya Olsen Lear Papers, September to October 1939. Folder contains assorted items related to the Learadio Airport Localizer (L-P-2), including summaries, correspondence, diagrams, sketches, a clipping, and a Library of Congress certificate of copyright. 14 total documents and original folder labeled "L-p2 / 'Learadio Airport Localizer.'"

[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] (Item)

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.