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Archives at The Museum of Flight


Box 9

 Container

Contains 16 Results:

Letter to Richard Marsen from WPL. Asks for monetary donation on behalf of Civil Air Patrol [RM files], 1944 May 18

 File — Box: 9, Folder: 13
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: 1944 May 18

Richard Marsen -- personal correspondence, 1942 February

 File — Box: 9, Folder: 5
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: 1942 February

"Outgoing mail [from Richard Marsen]" -- correspondence, 1940 January - 1944 December

 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: 1940 January - 1944 December

Letter to WPL from T.S. Harris. Discusses personal news, 1943 December 22

 File — Box: 9, Folder: 10
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: 1943 December 22

Assorted correspondence with Learcal (L-K-1), 1941 February - 1945 December

 File — Box: 9, Folder: 4
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: 1941 February - 1945 December

Letter to WPL from Richard Marsen. Discusses visit of Dr. Becker's, Amalgamated Engineering & Research Corp., and their discussion of "centrifical clutch and mercury switch" [RM files] -- letter with blueprint, 1942 June 5 - 1944 March 17

 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: 1942 June 5 - 1944 March 17

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Contact us with a research request
curator@museumofflight.org