Browse Items (23 total)

Black ERM graphite laminate tile. Two pieces of tape and black marker text are present on front of tile. It is accompanied by a letter to Richard R. Tracy, LearAvia Corporation, from A. Lawrence Cobb, Composite Technology Corporation, March 9, 1979.…

Panoramic photographic portrait of Lear Avia staff and their families at the Grand Rapids Branch Picnic, Johnson Park, Grand Rapids, Michigan, August 28, 1943.Caption: "1st Annual Lear-Avia INC. Grand Rapids Branch Picnic / Johnson Park / Aug. 28,…

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 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…

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…

Items from Box 27, Folder 14 and Box 200, Folder 2 of the William P. and Moya Olsen Lear Papers, February 6, 1941. Contains a press release, photographs, and a poster related to Lear Avia's "Complete Learadio Workshop on Wheels." Five total items.

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.

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…

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…

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…