Browse Items (26 total)

Check and agreement between the Stinson Aircraft Corporation and the Lear Development Company, circa 1933. Item has been de-framed but remains attached to mountboard.

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

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.

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

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

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

Photograph of William P. Lear with his Waco UIC aircraft, circa 1933. Inscription on verso: "1935 / WPL entering 1933 Continental Powered Waco preparatory to NY Los Angeles trip when Model L DF was shown to whole USA and many CAA stations for the…

Photograph of William P. Lear with a Waco UIC aircraft (wing number NC13402), circa 1930s.Inscription on verso: "Bill Lear + his Waco Model UIC equipped with Lear-O-Scope, direction finder, + Lear-O-Phone transmitter + receiver. This is the plane…

Photograph of William P. Lear with his Lear-o-Scope-equipped Plymouth automobile, New York City, New York, circa 1935. A loop antenna is mounted to the roof of the car. Inscription: "1935. 121 W 17 St NCY. WPL with first Lear-o-Scope." Stamped on…

Photograph of William P. Lear with a Lear-o-Scope and loop antenna, New York City, New York, circa 1935. Inscription on verso: "Bill Lear and his first direction finder, the Lear-o-Scope. NCY. 1935. Courtesy Lear Archives."Typed caption on verso: "Q.…