Search Digital Records
Limit your search
Item Type- Text (3)
- Still Image (1)
- brochures (2)
- pamphlets (1)
- photographic prints (1)
- In copyright (3)
- Copyright undetermined (1)
- Lear Developments (4)
- Learadio (4)
- Radio in aeronautics (4)
- Radio--Transmitters and transmission (4)
- Inventions (1)
4 results
![[Brochure for Learadio Model T30-R3AB aircraft transmitter-receiver]](https://digitalcollections.museumofflight.org/files/square_thumbnails/3dc1f8dbc20ba15f36c260183254dbe9.jpg "[Brochure for Learadio Model T30-R3AB aircraft transmitter-receiver]")
Brochure for the Learadio Model T30-R3AB aircraft transmitter-receiver, circa 1939.
![[Brochure for Learadio Model UT-6 radio transmitter]](https://digitalcollections.museumofflight.org/files/square_thumbnails/c9069dbb60f100c08c1879733c6308b1.jpg "[Brochure for Learadio Model UT-6 radio transmitter]")
Brochure for the Learadio Model UT-6 radio transmitter, circa 1939.
![[Learadio aircraft communications system]](https://digitalcollections.museumofflight.org/files/square_thumbnails/49bc61675451198282929920081d6fed.jpg "[Learadio aircraft communications system]")
Photograph of a Learadio aircraft communications system, circa 1931-1939. Specific devices pictured include the Model MOPA transmitter (emitator acord unit) and Model R2BB receiver (receptive accord unit).Caption: "Typical aircraft communication system."
![Learadio aircraft radio equipment [pamphlet]](https://digitalcollections.museumofflight.org/files/square_thumbnails/15f26cdf6b5bd137fd7d1ee7374986da.jpg "Learadio aircraft radio equipment [pamphlet]")
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.