Search Digital Records

• Subject > Radio in aeronautics (remove)
• Format > brochures (remove)

Limit your search

• Text (2)
• Mixed Materials (1)

• brochures (3)
• advertisements (1)

• In copyright (3)

• Lear Developments (3)
• Learadio (3)
• Radio in aeronautics (3)
• Radio--Transmitters and transmission (3)
• Aids to air navigation (2)
• Radio direction finders (1)

3 results

[William P. and Moya Olsen Lear Papers, Box 4, Folder 3 - Learadio AMRL-1 marine radio direction finder, Learadio compass, Learadio T30 aircraft transmitter, Learadio R3 aircraft receiver, 1937-1938] (Item)

Items from Box 4, Folder 3 of the William P. and Moya Olsen Lear Papers, circa 1937-1938. Contains an advertisement for the Learadio Compass, an advertisement for the Learadio AMRL-1 Marine Radio Direction Finder, and a brochure for Learadio products.

[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.