Browse Items (90 total)
- Subject is exactly "Aids to air navigation"
[William P. Lear and employees looking at airborne radio equipment]
![[William P. Lear and employees looking at airborne radio equipment]](https://digitalcollections.museumofflight.org/files/square_thumbnails/0f38fe29052fdc41bf364ab42926ef0b.jpg "[William P. Lear and employees looking at airborne radio equipment]")
Photograph of William P. Lear (right) and two Lear, Incorporated employees looking at airborne radio equipment, circa 1940s-1950s.Typed caption on verso: "William P. Lear, Chairman of the Board, Lear, Inc., consults with members of his technical…
[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]
![[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…
[William P. and Moya Olsen Lear Papers, Box 26, Folder 9 - "Learmatic (L-P-3) and Learmatic gyromatic radio compass," undated (circa 1939-1944)]
![[William P. and Moya Olsen Lear Papers, Box 26, Folder 9 - "Learmatic (L-P-3) and Learmatic gyromatic radio compass," undated (circa 1939-1944)]](https://digitalcollections.museumofflight.org/files/square_thumbnails/50470472ead757379ec6326855538abd.jpg "[William P. and Moya Olsen Lear Papers, Box 26, Folder 9 - "Learmatic (L-P-3) and Learmatic gyromatic radio compass," undated (circa 1939-1944)]")
Items from Box 26, Folder 9 of the William P. and Moya Olsen Lear Papers, circa 1939-1944. Contains a hand-drawn sketch, diagrams, and documents related to the Learmatic and Learmatic Gyromatic Radio Compass. Six total documents.
[William P. and Moya Olsen Lear Papers, Box 27, Folder 23 - Captured Me109 radio equipment evaluation by WPL, 1941 July 24]
![[William P. and Moya Olsen Lear Papers, Box 27, Folder 23 - Captured Me109 radio equipment evaluation by WPL, 1941 July 24]](https://digitalcollections.museumofflight.org/files/square_thumbnails/db631e0c4c1f3dde0d78d60d09cbef7a.jpg "[William P. and Moya Olsen Lear Papers, Box 27, Folder 23 - Captured Me109 radio equipment evaluation by WPL, 1941 July 24]")
Items from Box 27, Folder 23 of the William P. and Moya Olsen Lear Papers, July 24, 1941. Contains a press release and eight captioned photographs related to William P. Lear's evaluation of German radio equipment taken from a captured Messerschmitt…
[Aircraft instrument panel equipped with Lear, Incorporated VHF receiver and orienter]
![[Aircraft instrument panel equipped with Lear, Incorporated VHF receiver and orienter]](https://digitalcollections.museumofflight.org/files/square_thumbnails/fe126fff50dddeefc9ad92f237cc782b.jpg "[Aircraft instrument panel equipped with Lear, Incorporated VHF receiver and orienter]")
Photograph of an aircraft instrument panel equipped with a Lear, Incorporated VHF receiver and orienter, circa 1940s.Inscription on verso: "Lear Avionics installation late 30's - early 40's."Stamped on verso: "Please return to: Lear Archive, [address…
[Betsy Ross using Learadio portable receiver]
![[Betsy Ross using Learadio portable receiver]](https://digitalcollections.museumofflight.org/files/square_thumbnails/b1673b1cd30afff6e00dc51cbe191af9.jpg "[Betsy Ross using Learadio portable receiver]")
Photograph of pilot Betsy Ross using a Learadio portable receiver in the cockpit of her Taylorcraft aircraft, August 20, 1940. An accompanying press release describes Ross's recent flight from Harrisburg Pennsylvania State Airport, noted as the first…
Gyroscope/Nike Zeus Gyro on Platform, 1957
Gyroscope made out of black metal and steel. The main body of the object floats within a second thick black metal cylindrical form that has a bright red painted interior, along with bright green and orange painted accents along the edges. The object…
[William P. and Moya Olsen Lear Papers, Box 18, Folder 2; Box 200, Folder 2 - "Radio direction finding system (Case 20-1)" -- patent application [RM files], 1940-1943]
![[William P. and Moya Olsen Lear Papers, Box 18, Folder 2; Box 200, Folder 2 - "Radio direction finding system (Case 20-1)" -- patent application [RM files], 1940-1943]](https://digitalcollections.museumofflight.org/files/square_thumbnails/391d457919bc96611826fb4a8a7cea67.jpg "[William P. and Moya Olsen Lear Papers, Box 18, Folder 2; Box 200, Folder 2 - "Radio direction finding system (Case 20-1)" -- patent application [RM files], 1940-1943]")
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.
[William P. and Moya Olsen Lear Papers, Box 21, Folder 7; Box 207, Folder 2; Box 209, Folder 4 - "Leartron control system" [L-D-101], 1943 February - 1944 February]
![[William P. and Moya Olsen Lear Papers, Box 21, Folder 7; Box 207, Folder 2; Box 209, Folder 4 - "Leartron control system" [L-D-101], 1943 February - 1944 February]](https://digitalcollections.museumofflight.org/files/square_thumbnails/805ec97b8abc960ed78463b8761daeba.jpg "[William P. and Moya Olsen Lear Papers, Box 21, Folder 7; Box 207, Folder 2; Box 209, Folder 4 - "Leartron control system" [L-D-101], 1943 February - 1944 February]")
Items from Box 21, Folder 7; Box 207, Folder 2; and Box 209, Folder 4 of the William P. and Moya Olsen Lear Papers, February 1943 to February 1944. Contains correspondence, diagrams, notes, photographs, and sketches related to the Leartron control…
[William P. and Moya Olsen Lear Papers, Box 17, Folder 11; Box 200, Folder 2 - "Remote control mechanism (Case 51-1) and pilot control system for aircraft (Case 50-2)," 1940-1941]
![[William P. and Moya Olsen Lear Papers, Box 17, Folder 11; Box 200, Folder 2 - "Remote control mechanism (Case 51-1) and pilot control system for aircraft (Case 50-2)," 1940-1941]](https://digitalcollections.museumofflight.org/files/square_thumbnails/0a657058c353ca86a9f6b6be3081c740.jpg "[William P. and Moya Olsen Lear Papers, Box 17, Folder 11; Box 200, Folder 2 - "Remote control mechanism (Case 51-1) and pilot control system for aircraft (Case 50-2)," 1940-1941]")
Items from Box 17, Folder 11 and Box 200, Folder 2 of the William P. and Moya Olsen Lear Papers, circa 1940-1941. Contains patent applications and technical drawings created by William P. Lear for the remote control mechanism (Case 51-1) and pilot…