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• Subject > Aids to air navigation (remove)
• Subject > Learadio (remove)
• Subject > Radio in aeronautics (remove)

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• Still Image (2)
• Text (1)

• photographic prints (2)
• pamphlets (1)

• Copyright undetermined (2)
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• Aids to air navigation (3)
• Learadio (3)
• Radio in aeronautics (3)
• Radio--Transmitters and transmission (2)
• Inventions (1)
• Lear Developments (1)
• MacRobertson International Air Race (1934) (1)
• Nichols, Nichols, Reeder Glen, 1904-1975 (1)
• Pangborn, Clyde Edward, approximately 1893-1958 (1)
• Turner, Roscoe, 1895-1970 (1)

3 results

[Learadio portable receiver] (Item)

Photograph of a Learadio portable receiver, circa 1930s-1940s.Inscription: "Portable 2-band battery-operated receiver used thru-out WW2 by many USAF [personnel?] here and all over world."

[Learadio radio and navigation equipment] (Item)

Photograph of Learadio radio and navigation equipment, consisting of a transmitter, receiver, and direction finder, circa 1936-1939. The verso caption notes that this equipment was developed by "myself" (William P. Lear) and Reeder Nichols for the London to Melbourne Air Race.Caption on verso: "S. This is the equipment that was built up in the 60 days in our organization at 123 W. 17th St. NYC, by…

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.