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![[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.
![[Brochure for Lear L-2 autopilot]](https://digitalcollections.museumofflight.org/files/square_thumbnails/d035dd0fcb4e5efa2cd946cdf4f15f3d.jpg "[Brochure for Lear L-2 autopilot]")
Brochure for the Lear L-2 autopilot, circa 1944-1962. 23 pages.