Search Digital Records

• Subject > Radio in aeronautics (remove)
• Subject > Lear Developments (remove)
• Subject > Learadio (remove)

Limit your search

• Still Image (18)
• Text (4)
• Mixed Materials (3)

• New York (State) (3)
• United States (3)
• New York (N.Y.) (2)
• Garden City (N.Y.) (1)

• photographic prints (18)
• brochures (3)
• advertisements (2)
• composite photographs (2)
• mixed materials (1)
• pamphlets (1)
• posters (1)
• reports (1)

• Copyright undetermined (15)
• In copyright (10)

• Lear Developments (25)
• Learadio (25)
• Radio in aeronautics (25)
• Aids to air navigation (20)
• Radio--Transmitters and transmission (11)
• Antennas (Electronics) (5)
• Lear, William P. (William Powell), 1902-1978 (3)
• Radio direction finders (3)
• Inventions (1)
• Vehicles (1)

25 results

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.

[Advertisement poster for Learadio aircraft equipment] (Item)

Advertisement poster for Learadio aircraft equipment, circa 1931-1939.

[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…