Browse Items (79 total)
- Collection: Series I - Lear Developments, 1907-1944, 1979, undated
[William P. and Moya Olsen Lear Papers, Box 1, Folder 2 - Letter to WPL, President, Lear Developments from Lieut. Gen. V. Cherep-Spiridovich, Proctor, Aeronautical Research Council, 1941 January 5]
![[William P. and Moya Olsen Lear Papers, Box 1, Folder 2 - Letter to WPL, President, Lear Developments from Lieut. Gen. V. Cherep-Spiridovich, Proctor, Aeronautical Research Council, 1941 January 5]](https://digitalcollections.museumofflight.org/files/square_thumbnails/057b7c2bb20737765a57e39110be081d.jpg "[William P. and Moya Olsen Lear Papers, Box 1, Folder 2 - Letter to WPL, President, Lear Developments from Lieut. Gen. V. Cherep-Spiridovich, Proctor, Aeronautical Research Council, 1941 January 5]")
Items from Box 1, Folder 2 of the William P. and Moya Olsen Lear Papers, January 5, 1941. Contains one typed letter to William P. Lear, President, Lear Developments, from Lieut. Gen. V. Cherep-Spiridovich, Proctor, Aeronautical Research Council.…
[Boeing XB-15, Stinson aircraft, and Douglas C-47 Skytrains at Bolling Field]
![[Boeing XB-15, Stinson aircraft, and Douglas C-47 Skytrains at Bolling Field]](https://digitalcollections.museumofflight.org/files/square_thumbnails/334a7a3cd24fe80d7ef8cbf857321eb9.jpg "[Boeing XB-15, Stinson aircraft, and Douglas C-47 Skytrains at Bolling Field]")
Photograph of the Boeing XB-15 (nose number 46), a Stinson aircraft, and several Douglas C-47 Skytrains at Bolling Field, Washington, D.C., circa 1938. An emblem depicting a Native American with a bow and arrow is painted on the XB-15's nose. The…
[Douglas C-47 Skytrain aircraft and Learadio Beech B17L Staggerwing aircraft at Bolling Field]
![[Douglas C-47 Skytrain aircraft and Learadio Beech B17L Staggerwing aircraft at Bolling Field]](https://digitalcollections.museumofflight.org/files/square_thumbnails/18bdc35d078834397c5b44d35a87b924.jpg "[Douglas C-47 Skytrain aircraft and Learadio Beech B17L Staggerwing aircraft at Bolling Field]")
Photograph of several Douglas C-47 Skytrain aircraft and a Learadio Beech B17L Staggerwing aircraft (tail number NC 15405) at Bolling Field, Washington, D.C., circa 1938.Inscription on verso: "Douglas Army transport ships and Learadio Beechcraft.…
[William P. and Moya Olsen Lear Papers, Box 1, Folder 8 - Balance sheets, 1938 December - 1939 August]
![[William P. and Moya Olsen Lear Papers, Box 1, Folder 8 - Balance sheets, 1938 December - 1939 August]](https://digitalcollections.museumofflight.org/files/square_thumbnails/f3136d33d4156296adbe55821b83f044.jpg "[William P. and Moya Olsen Lear Papers, Box 1, Folder 8 - Balance sheets, 1938 December - 1939 August]")
Items from Box 1, Folder 8 of the William P. and Moya Olsen Lear Papers, December 1938 to August 1939. Contains three balance sheets for Lear Developments, originally enclosed in a file folder labeled "L-f / Financial Statements."
[William P. and Moya Olsen Lear Papers, Box 1, Folder 15; Box 209, Folder 1 - "Radio guidance system and blind approach system (WPL/30-1)," 1935 June - 1944 November]
![[William P. and Moya Olsen Lear Papers, Box 1, Folder 15; Box 209, Folder 1 - "Radio guidance system and blind approach system (WPL/30-1)," 1935 June - 1944 November]](https://digitalcollections.museumofflight.org/files/square_thumbnails/8b4a7a8894ac6154b47904c0bfc64a6e.jpg "[William P. and Moya Olsen Lear Papers, Box 1, Folder 15; Box 209, Folder 1 - "Radio guidance system and blind approach system (WPL/30-1)," 1935 June - 1944 November]")
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.…
[William P. and Moya Olsen Lear Papers, Box 4, Folder 3 - Learadio AMRL-1 marine radio direction finder, Learadio compass, Learadio T30 aircraft transmitter, Learadio R3 aircraft receiver, 1937-1938]
![[William P. and Moya Olsen Lear Papers, Box 4, Folder 3 - Learadio AMRL-1 marine radio direction finder, Learadio compass, Learadio T30 aircraft transmitter, Learadio R3 aircraft receiver, 1937-1938]](https://digitalcollections.museumofflight.org/files/square_thumbnails/0eab719e9aeaed91352f1e7ab8415b79.jpg "[William P. and Moya Olsen Lear Papers, Box 4, Folder 3 - Learadio AMRL-1 marine radio direction finder, Learadio compass, Learadio T30 aircraft transmitter, Learadio R3 aircraft receiver, 1937-1938]")
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…
[William P. and Moya Olsen Lear Papers, Box 4, Folder 6 - "Learadio Airport Localizer (L-P-2)", 1939 September - October]
![[William P. and Moya Olsen Lear Papers, Box 4, Folder 6 - "Learadio Airport Localizer (L-P-2)", 1939 September - October]](https://digitalcollections.museumofflight.org/files/square_thumbnails/e81ccbee196527f90446f9af824e8076.jpg "[William P. and Moya Olsen Lear Papers, Box 4, Folder 6 - "Learadio Airport Localizer (L-P-2)", 1939 September - October]")
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,…
[William P. and Moya Olsen Lear Papers, Box 4, Folder 22; Box 205, Folder 1; Box 209, Folder 1 - Unihand reel and ARL-48 motor reel -- diagrams [RM files], 1938-1939]
![[William P. and Moya Olsen Lear Papers, Box 4, Folder 22; Box 205, Folder 1; Box 209, Folder 1 - Unihand reel and ARL-48 motor reel -- diagrams [RM files], 1938-1939]](https://digitalcollections.museumofflight.org/files/square_thumbnails/88e1aa0325dd03cf597f9a2aad7a6a36.jpg "[William P. and Moya Olsen Lear Papers, Box 4, Folder 22; Box 205, Folder 1; Box 209, Folder 1 - Unihand reel and ARL-48 motor reel -- diagrams [RM files], 1938-1939]")
Items from Box 4, Folder 22; Box 205, Folder 1; and Box 209, Folder 1 of the William P. and Moya Olsen Lear Papers, circa 1938-1939. Contains diagrams related to Unihand reel and ARL-48 motor reel. Seven total items.
[William P. and Moya Olsen Lear Papers, Box 4, Folder 27 - "Blind approach by voice," 1939 August]
![[William P. and Moya Olsen Lear Papers, Box 4, Folder 27 - "Blind approach by voice," 1939 August]](https://digitalcollections.museumofflight.org/files/square_thumbnails/524a75873758bf9b9cdf4e4101a5c6ee.jpg "[William P. and Moya Olsen Lear Papers, Box 4, Folder 27 - "Blind approach by voice," 1939 August]")
Items from Box 4, Folder 27 of the William P. and Moya Olsen Lear Papers, August 1939. Includes eight pages of handwritten notes and sketches related to "Blind approach by voice," an airplane landing system.
[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]
![[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]](https://digitalcollections.museumofflight.org/files/square_thumbnails/521aabda6caa23da8c6eaab326b1db9c.jpg "[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]")
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.