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Item Type- Text (3)
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- Radio in aeronautics (6)
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6 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.
![[William P. and Moya Olsen Lear Papers, Box 4, Folder 6 - "Learadio Airport Localizer (L-P-2)", 1939 September - October]](https://digitalcollections.museumofflight.org/files/square_thumbnails/e81ccbee196527f90446f9af824e8076.jpg "[William P. and Moya Olsen Lear Papers, Box 4, Folder 6 - \"Learadio Airport Localizer (L-P-2)\", 1939 September - October]")
Items from Box 4, Folder 6 of the William P. and Moya Olsen Lear Papers, September to October 1939. Folder contains assorted items related to the Learadio Airport Localizer (L-P-2), including summaries, correspondence, diagrams, sketches, a clipping, and a Library of Congress certificate of copyright. 14 total documents and original folder labeled "L-p2 / 'Learadio Airport Localizer.'"
![[William P. and Moya Olsen Lear Papers, Box 18, Folder 1 - "Radio automatic guidance system (Case 31-3) and loop antenna system (Can 8-1)," 1940-1943]](https://digitalcollections.museumofflight.org/files/square_thumbnails/2e98a4fb365ad043b561f20cea7fc419.jpg "[William P. and Moya Olsen Lear Papers, Box 18, Folder 1 - \"Radio automatic guidance system (Case 31-3) and loop antenna system (Can 8-1),\" 1940-1943]")
Items from Box 18, Folder 1 of the William P. and Moya Olsen Lear Papers, circa 1940-1943. Contains a patent application and other documents related to the Radio Automatic Guidance System (Case 31-3) and Loop Antenna System (Can. 8-1), as well as a manual titled "The Lear-Matic: The ultimate instrument for aircraft navigation." 15 total documents.