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• Text (8)

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• Aids to air navigation (8)
• Lear Developments (5)
• Learadio (5)
• Radio in aeronautics (5)
• Lear, William P. (William Powell), 1902-1978 (3)
• Radio--Transmitters and transmission (3)
• Inventions (1)
• Radio direction finders (1)

8 results

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.

Learadio aircraft radio equipment [pamphlet] (Item)

Pamphlet about Learadio aircraft radio equipment, circa 1930s. Contains technical specifications and images of various models of transmitters, receivers, power supplies, and accessories. 41 pages.

Problems attendant to the specifications of aircraft radio apparatus for pursuit airplanes (Item)

Article written by William P. Lear about aircraft radio specifications for pursuit airplanes, circa late 1930s. 10 pages.

[Patent application for Gyromatic Radio Compass] (Item)

Patent application for the Gyromatic Radio Compass submitted by William P. Lear, October 30, 1944. 24 typed pages.

Learadio notes on direction finding! (Item)

Notes written by William P. Lear about the utility of automatic direction finders, circa 1940. Describes a flight from New York to Dayon, Ohio in Lear's Waco aircraft and how a Lear ADF-8 helped him navigate despite static from a thunderstorm. Includes an inscription on page 1 from Lear. Two typed pages.Inscription: "I thought you might be interested in this. --Bill Lear."

[Brochure for Learadio Model T30-R3AB aircraft transmitter-receiver] (Item)

Brochure for the Learadio Model T30-R3AB aircraft transmitter-receiver, circa 1939.

[Brochure for Learadio Model UT-6 radio transmitter] (Item)

Brochure for the Learadio Model UT-6 radio transmitter, circa 1939.

[Advertisement poster for Learadio aircraft equipment] (Item)

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