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• Subject > Radio in aeronautics (remove)
• Subject > Radio--Transmitters and transmission (remove)

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• Still Image (17)
• Mixed Materials (4)
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• photographic prints (17)
• brochures (3)
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• Radio in aeronautics (24)
• Radio--Transmitters and transmission (24)
• Aids to air navigation (20)
• Learadio (18)
• Lear Developments (16)
• Radio direction finders (6)
• Canada. Royal Canadian Air Force (1)
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• MacRobertson International Air Race (1934) (1)
• Nichols, Nichols, Reeder Glen, 1904-1975 (1)
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• Pangborn, Clyde Edward, approximately 1893-1958 (1)
• Turner, Roscoe, 1895-1970 (1)
• United States. Army. Signal Corps (1)

24 results

[Learadio panel assembly] (Item)

Composite photograph of Learadio panel assembly, showing side and front views, circa 1940s-1950s. Individual components include a fixed antenna tuning unit, trasmitter, automatic direction finder, and control unit.Caption: "Front view / NA-44 / Learadio panel assembly. 201171/25."

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.

[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.