Search Digital Records

• Rights > In copyright (remove)
• Format > diagrams (remove)
• Subject > Lear Avia, Inc. (remove)
• Item Type > Mixed Materials (remove)

Limit your search

• Mixed Materials (6)

• diagrams (6)
• patents (3)
• charts (graphic documents) (2)
• correspondence (1)
• lists (document genres) (1)
• memorandums (1)
• photographic prints (1)
• reports (1)

• In copyright (6)

• Lear Avia, Inc. (6)
• Radio in aeronautics (2)
• Airplanes--Parts (1)
• Automatic Direction Finder (ADF) (1)

6 results

[William P. and Moya Olsen Lear Papers, Box 24, Folder 4; Box 205, Folder 5 - "Expandable ring clutch (WPL)" [L-D-123], 1943-1944 July] (Item)

Items from Box 24, Folder 4 and Box 205, Folder 5 of the William P. and Moya Olsen Lear Papers, July 1943-1944. Contains correspondence, diagrams, memos, and patent copies related to the expandable ring clutch. 27 total items and original folder labeled "Expandable ring clutch (WPL) / L-d-123."

[William P. and Moya Olsen Lear Papers, Box 28, Folder 4; Box 200, Folder 4 - Direction finders -- patent copies and diagrams [L-I-2/RM files], 1926-1941] (Item)

Items from Box 28, Folder 4 and Box 200, Folder 4 of the William P. and Moya Olsen Lear Papers, circa 1926-1941. Contains patent copies and diagrams related to Lear direction finders. 26 total items.

[William P. and Moya Olsen Lear Papers, Box 33, Folder 8; Box 205, Folder 6; Box 210, Folder 1 - Performance and technical data for assorted products [RM files], 1938-1944] (Item)

Items from Box 33, Folder 8; Box 205, Folder 6; and Box 210, Folder 1 of the William P. and Moya Olsen Lear Papers, circa 1938-1944. Contains graphs, diagrams, and photographs related to performance and technical data for assorted Lear products. 65 total items.

[William P. and Moya Olsen Lear Papers, Box 38, Folder 14; Oversize Folder 7 - Engineering Department projects [RM files], 1942-1945] (Item)

Items from Box 38, Folder 14 and Oversize Folder 7 of the William P. and Moya Olsen Lear Papers, circa 1942-1945. Contains notes, list, diagrams, technical data, and a department organizational chart related to the Lear Avia Engineering Department projects. 28 total items.

[William P. and Moya Olsen Lear Papers, Box 15, Folder 3; Box 209, Folder 2; Oversize Folder 3 - Radio apparatus chassis (Case 74-1), 1939 December - 1942 October] (Item)

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.

[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."