Photograph of Arling W. Ryberg, Chief Mechanical Engineer of Lear Avia, working in his office, circa 1940. Drafting tools and device components are visible on his desktop.Inscription: "Arlie Ryberg. 1940."Typed caption on verso: "A. W. Ryberg, Chief…
Photograph of William P. Lear (at head of table) and members of the executive board at Lear Avia's Dayton Airport facility, Ohio, circa 1940. Other identified individuals are Rober L. Drake, Alice Miller, Arling "Arlie" Ryberg, and Waldorf Astoria…