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27 results
Photograph of William P. Lear with the first Lear-o-Scope, circa 1935.Inscription: "1935. WPL with 1st Lear-o-scope."
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.
Advertisement poster for Learadio aircraft equipment, circa 1931-1939.
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…