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9 results

[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.

[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. NCY. 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…

[William P. and Moya Olsen Lear Papers, Box 4, Folder 30 - "Descriptive specifications of Learadio Lear-O-Scope Model LC 100 Radio Compass Direction Finder," circa 1931-1939] (Item)

Items from Box 4, Folder 30 of the William P. and Moya Olsen Lear Papers, circa 1931-1939. Contains two reports related to the Learadio Lear-O-Scope Model LC 100 Radio Compass Direction Finder.

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.

[William P. and Moya Olsen Lear Papers, Box 16, Folder 19; Box 205, Folder 3 - "Quad corrector (Lear-Lorch)," 1940 December - 1941 January] (Item)

Items from Box 16, Folder 19 and Box 205, Folder 3 of the William P. and Moya Olsen Lear Papers, December 1940 to January 1941. Contains an engineering report, diagrams, and notes for the Lear-Lorch quad corrector. Four total items and original folder labeled "L-dx-29 / Lear-Lorch Quad Corrector."

[William P. and Moya Olsen Lear Papers, Box 50, Folder 11 - "Aviation radio before, during, and after the war" -- WPL speech, 1945 March 7] (Item)

Items from Box 50, Folder 11 of the William P. and Moya Olsen Lear Papers, March 7, 1945. Contains a typed copy of speech delivered by William P. Lear to the Aviation Writers Association and booklet with a slightly edited version of the speech. The speech focuses on Lear's ongoing development of aviation radio devices. Two total documents.

[William P. and Moya Olsen Lear Papers, Box 4, Folder 6 - "Learadio Airport Localizer (L-P-2)", 1939 September - October] (Item)

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] (Item)

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.