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[Learadio loop antenna]
Photograph of a Learadio loop antenna, circa 1931-1939.
[William P. Lear with first Lear-o-Scope]
Photograph of William P. Lear with the first Lear-o-Scope, circa 1935.Inscription: "1935. WPL with 1st Lear-o-scope."
Learadio aircraft radio equipment [pamphlet]
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 Learadio Model T30-R3AB aircraft transmitter-receiver]
Brochure for the Learadio Model T30-R3AB aircraft transmitter-receiver, circa 1939.
[Brochure for Learadio Model UT-6 radio transmitter]
Brochure for the Learadio Model UT-6 radio transmitter, circa 1939.
[Advertisement poster for Learadio aircraft equipment]
Advertisement poster for Learadio aircraft equipment, circa 1931-1939.
[William P. Lear with Lear-o-Scope and loop antenna]
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. NYC. 1935. Courtesy Lear Archives." Typed caption on verso: "Q. Here yours truly is looking through the loop antenna that was finally adopted for the Model L Learscope. It is interesting to note that the Model L…