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- Source is exactly "The William P. and Moya Olsen Lear Papers (2000-06-20), Box 25, Folder 19"
[Patent application for Gyromatic Radio Compass]
![[Patent application for Gyromatic Radio Compass]](https://digitalcollections.museumofflight.org/files/square_thumbnails/5c38b341e77086e9a51cff9cda54a6be.jpg "[Patent application for Gyromatic Radio Compass]")
Patent application for the Gyromatic Radio Compass submitted by William P. Lear, October 30, 1944. 24 typed pages.