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23 results
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.'"
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.
Items from Box 1, Folder 15 and Box 209, Folder 1 of the William P. and Moya Olsen Lear Papers, June 1935 to November 1944. Contains drafts, notes, and technical drawings for the radio guidance system and blind approach system (WPL/30-1) patent. Twenty total items.
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.
Items from Box 18, Folder 2 and Box 200, Folder 2 of the William P. and Moya Olsen Lear Papers, circa 1940-1943. Contains documents and drawings related to the patent application of the radio direction finding system (Case 20-1). 24 total items.
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.
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.
Items from Box 15, Folder 3; Box 209, Folder 2; and Oversize Folder 3 of the William P. and Moya Olsen Lear Papers, December 1939 to October 1942. Contains patent applications and technical drawings created by William P. Lear for the radio apparatus chassis (Case 74-1). 17 total items.
Items from Box 17, Folder 1 and Box 209, Folder 2 of the William P. and Moya Olsen Lear Papers, circa 1940. Contains patent applications, technical drawings, notes, and photographs related to the directional radio system. Many of the documents were created by William P. Lear. 15 total items.
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."