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• Subject > Aids to air navigation (remove)
• Format > advertisements (remove)

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• Mixed Materials (1)
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• advertisements (2)
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• Aids to air navigation (2)
• Airplanes--Parts (1)
• Lear Avia, Inc. (1)
• Lear Developments (1)
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• 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)] (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.

[Advertisement poster for Learadio aircraft equipment] (Item)

Advertisement poster for Learadio aircraft equipment, circa 1931-1939.