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Archives at The Museum of Flight


Oversize folder 2

 Container

Contains 3 Results:

Quadrantal error correction system (Case 25-2) and quadrantal compensators (Case 25-1) -- patent applications [RM files], 1939-1943

 File — Multiple Containers
Scope and Contents: Series II. Lear Avia Inc. From the Series: Series II: Lear Avia Inc. is the second largest series of the collection. It documents the research, development, and manufacture of Lear Avia’s key World War II-era products, notably clutches, screw jacks, motors, and aircraft navigation and radio equipment and parts. In addition, there is documentation of other products which reflect the company’s post-war considerations for manufacture and production. These are not just limited to the field of aeronautics...
Dates: 1939-1943

"Learadio Unihand reel (WPL/59-1)" -- patent application [RM files], 1939 February - 1940 April

 File — Multiple Containers
Scope and Contents: Series I: Lear Developments From the Series: Series I: Lear Developments provides insight into one of WPL’s earliest companies, Lear Developments, whose main focus was aircraft radio development and production. The company was established in 1931 and continued through 1939, when it changed its name to Lear Avia Inc. The series includes materials from the lifespan of the company as well as collected items dating earlier and some items dated later due to the restructure.The series is broken down...
Dates: 1939 February - 1940 April

ADF-6 and ADF-7 -- notes and diagrams [RM files], 1939 February - 1940 March

 File — Multiple Containers
Scope and Contents: Series I: Lear Developments From the Series: Series I: Lear Developments provides insight into one of WPL’s earliest companies, Lear Developments, whose main focus was aircraft radio development and production. The company was established in 1931 and continued through 1939, when it changed its name to Lear Avia Inc. The series includes materials from the lifespan of the company as well as collected items dating earlier and some items dated later due to the restructure.The series is broken down...
Dates: 1939 February - 1940 March

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