Browse Items (90 total)

Problems attendant to the specifications of aircraft radio apparatus for pursuit airplanes
Article written by William P. Lear about aircraft radio specifications for pursuit airplanes, circa late 1930s. 10 pages.

[William P. and Moya Olsen Lear Papers, Box 109, Folder 8 - Synchroscope, undated (circa 1970-1976)]
Items from Box 109, Folder 8 of the William P. and Moya Olsen Lear Papers, circa 1970-1976. Contains a brochure and press release for the Lear Synchroscope. Two total items.

[Lear AFC-70 autopilot]
Photograph of a Lear AFC-70 autopilot, circa 1971-1976.

[Lear AFC-70 autopilot]
Composite photograph featuring four images of the Lear AFC-70 autopilot, circa 1971-1976. The images show the interior components, as well as the fully assembled unit.Caption: "Lear Automatic Flight Control / AFC-70."

[Aircraft instrument panel outfitted with Lear AFC-70 autopilot]
Photograph of an aircraft instrument panel outfitted with a Lear AFC-70 autopilot, circa 1971-1976.

[Lear AFC-70 autopilot]
Photographic slide of a Lear AFC-70 autopilot, circa 1971-1976.

[Casing and interior components of Lear AFC-70 autopilot]
Photographic slide of the casing and interior components of a Lear AFC-70 autopilot, circa 1971-1976.

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

[William P. and Moya Olsen Lear Papers, Box 28, Folder 5 - Direction finders, 1926-1941]
Items from Box 28, Folder 5 of the William P. and Moya Olsen Lear Papers, 1926-1941. Contains patent documentation for various aircraft and radio systems: Joseph Dugan's synchronous bomb sight, Dugan's radio direction and position indicating system,…

[Learadio airport telephone transmitter]
Photograph of a Learadio airport telephone transmitter, circa 1931-1939. Inscription: "This 15-watt power transmitter was habitually able to work aircraft 250 miles away. Freq. 278 kc."
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