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• Subject > Aids to air navigation (remove)
• Subject > Lear Avia Corporation (remove)

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• Mixed Materials (2)
• Still Image (1)

• photographic prints (2)
• press releases (2)
• clippings (1)

• In copyright (2)
• Copyright undetermined (1)

• Aids to air navigation (3)
• Lear Avia Corporation (3)
• Airplanes--Cockpits (1)
• Douglas DC-3 Family (1)
• Gyroscopes (1)
• Lear, William P. (William Powell), 1902-1978 (1)
• Learadio (1)
• Messerschmitt Bf 109 Family (1)
• Navigation (Aeronautics) (1)
• Radio direction finders (1)
• Radio--Transmitters and transmission (1)
• World War, 1939-1945 (1)

3 results

[Douglas DC-3 instrument panel with Learadio ADF 8] (Item)

Photograph of a Douglas DC-3 instrument panel with a Learadio ADF 8 automatic direction finder, circa 1940s. The direction finder and two gauges are circled and numbered. Inscription on verso: "Copy of instrument panel (Chicago and [illegible] DC-3)."

[William P. and Moya Olsen Lear Papers, Box 27, Folder 7 - Learmatic gyromatic navigator, 1940 December] (Item)

Items from Box 27, Folder 7 of the William P. and Moya Olsen Lear Papers, December 1940. Contains two clippings and a press release related to William P. Lear's receipt of the Frank Hawks Memorial Trophy for developing the Learmatic gyromatic navigator. Three total documents and original folder labeled "Publicity re 'Learmatic' / L-p-5."

[William P. and Moya Olsen Lear Papers, Box 27, Folder 23 - Captured Me109 radio equipment evaluation by WPL, 1941 July 24] (Item)

Items from Box 27, Folder 23 of the William P. and Moya Olsen Lear Papers, July 24, 1941. Contains a press release and eight captioned photographs related to William P. Lear's evaluation of German radio equipment taken from a captured Messerschmitt Bf 109 aircraft. The photographs depict Lear and Lear Avia engineers carrying out tests on the radio equipment, as well as close-up shots of the…