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• Mixed Materials (11)

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• Lear Avia, Inc. (5)
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• Radio direction finders (2)
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• Automatic Direction Finder (ADF) (1)
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• Clutches (Machinery) (1)
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11 results

[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] (Item)

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. Twenty total items.

[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] (Item)

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 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 25, Folder 10 - "Commutator synchronizing devices (H. Bruderlin)," 1944 July - 1945 June] (Item)

Items from Box 25, Folder 10 of the William P. and Moya Olsen Lear Papers, July 1944 - June 1945. Contains correspondence, diagrams, and patent copies related to commutator synchronizing devices. 14 total documents and original folder labeled "Bruderlin commutator synchronizing devices / L-d-135."

[William P. and Moya Olsen Lear Papers, Box 25, Folder 23 - "Electromagnetic centrifugal governor," 1944] (Item)

Items from Box 25, Folder 23 of the William P. and Moya Olsen Lear Papers, circa 1944. Contains documents related to a patent application for the electromagnetic centrifugal governor. 13 total documents.

[William P. and Moya Olsen Lear Papers, Box 22, Folder 16 - "Fastop clutch with friction spring (Nygard, et al)," 1943 October] (Item)

Items from Box 22, Folder 16 of the William P. and Moya Olsen Lear Papers, October 1943. Contains correspondence, patent copies, and diagrams related to the Fastop clutch and brake mechanism. Six total documents and original folder labeled "Fastop clutch with friction spring - Nygard et al / L-d-95 / (80-11)."

[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 80, Folder 13 - "Patent documentation for 8-track player, cartridges, and related components," 1968 July - 1972 January] (Item)

Items from Box 80, Folder 13 of the William P. and Moya Olsen Lear Papers, 1968-1972. Contains correspondence, diagrams, patent copies, lists, and reports related to Lear Jet Stereo 8-track products. 27 total items.

[William P. and Moya Olsen Lear Papers, Box 93, Folder 7 - "Brief history of the Lear Motors Corporation research of vapor turbines" and "Gas turbines," undated (circa 1968-1976)] (Item)

Items from Box 93, Folder 7 of the William P. and Moya Olsen Lear Papers, circa 1968-1976. Contains presentation notes, a brochure, patent copies, and diagrams related to the Lear Motors Corporation's history and turbine development. 28 total items.

[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] (Item)

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 control system for aircraft (Case 50-2). 19 total items.