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

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• Mixed Materials (1)
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• reports (2)

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• Aids to air navigation (2)
• Lear Developments (2)
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• Radio direction finders (1)
• Radio in aeronautics (1)

2 results

[William P. and Moya Olsen Lear Papers, Box 4, Folder 30 - "Descriptive specifications of Learadio Lear-O-Scope Model LC 100 Radio Compass Direction Finder," circa 1931-1939] (Item)

Items from Box 4, Folder 30 of the William P. and Moya Olsen Lear Papers, circa 1931-1939. Contains two reports related to the Learadio Lear-O-Scope Model LC 100 Radio Compass Direction Finder.

Learadio automatic landing field orientation device (Item)

Report about the Lear Developments automatic landing field orientation device, June 1939. Contains technical details about the device. Three typed pages on Learadio letterhead.