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Instruments used by the Army Flyers in Flight Around the World
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[Remote control mechanism (Case 51-1) and pilot control system for aircraft (Case 50-2)," 1940-1941]
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[ADF-6 and ADF-7 -- notes and diagrams [RM files], 1939 February - 1940 March]
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[Synchroscope, undated (circa 1970-1976)]
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[Advertisement poster for Learadio aircraft equipment]
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["Aviation radio before, during, and after the war" -- WPL speech, 1945 March 7]
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["Bill Lear ideas and cases," 1940 January - 1944 March]
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["Lear low approach system (31-1 and 31-3)," 1939 December]
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[Direction finders, 1926-1941]
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["Aircraft electric remote control actuators and automatic controls," 1944 March 29]
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[Captured Me109 radio equipment evaluation by WPL, 1941 July 24]
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[Casing and interior components of Lear AFC-70 autopilot]
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[Lear AFC-70 autopilot]
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[Aircraft instrument panel outfitted with Lear AFC-70 autopilot]
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[Lear AFC-70 autopilot]
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[Learmatic gyromatic navigator, 1940 December]
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[Lear AFC-70 autopilot]
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["Learmatic (L-P-3) and Learmatic gyromatic radio compass," undated (circa 1939-1944)]
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[LJ23 Automatic Flight Control System]
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["Leartron control system" [L-D-101], 1943 February - 1944 February]
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