Search Digital Records
Limit your search
Item Type- Mixed Materials (12)
- notes (documents) (4)
- correspondence (3)
- diagrams (2)
- mixed materials (2)
- advertisements (1)
- ballots (1)
- brochures (1)
- documents (1)
- drawings (1)
- patents (1)
- reports (1)
- technical illustrations (images) (1)
- telegrams (1)
- In copyright (12)
- Lear Developments (12)
- Radio direction finders (4)
- Radio in aeronautics (4)
- Learadio (3)
- Radio--Transmitters and transmission (3)
- Lear, William P. (William Powell), 1902-1978 (2)
- Hough, Cass S. (1)
- Instrument landing systems (1)
- Lear Avia Corporation (1)
- Radio--Equipment and supplies (1)
- Scheibell, Gordon B. (1)
- Wunderlich, N. E. (1)
12 results
![[William P. and Moya Olsen Lear Papers, Box 12, Folder 14 - Corporate name change from Lear Developments to Lear Avia, 1939 December - 1944 August]](https://digitalcollections.museumofflight.org/files/square_thumbnails/dfc64bcb71ab982626ccf62163a2d87b.jpg "[William P. and Moya Olsen Lear Papers, Box 12, Folder 14 - Corporate name change from Lear Developments to Lear Avia, 1939 December - 1944 August]")
Items from Box 12, Folder 14 of the William P. and Moya Olsen Lear Papers, December 1939 to August 1944. Contains documents related to the corporate name change from Lear Developments to Lear Avia, including certified and Photostat copies of the articles of incorporation and Lear Avia amendments and by-laws. 16 total documents.
![[William P. and Moya Olsen Lear Papers, Box 4, Folder 23; Box 200, Folder 1; Box 209, Folder 1 - ADF-6 and ADF-7 -- notes and diagrams [RM files], 1939 February - 1940 March]](https://digitalcollections.museumofflight.org/files/square_thumbnails/bd966303e3515535eafe85244e06f44c.jpg "[William P. and Moya Olsen Lear Papers, Box 4, Folder 23; Box 200, Folder 1; Box 209, Folder 1 - ADF-6 and ADF-7 -- notes and diagrams [RM files], 1939 February - 1940 March]")
Items from Box 4, Folder 23; Box 200, Folder 1; and Box 209, Folder 1 of the William P. and Moya Olsen Lear Papers, February 1939 to March 1940. Contains notes and diagrams related to ADF-6 and ADF-7 automatic direction finders. 11 total items.