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23 results

[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.

[William P. Lear with Lear-o-Scope and loop antenna] (Item)

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…