Photograph of William P. Lear (right) and Clarence Clabaugh (left) with a Monocoupe Model 110 aircraft, Chicago, Illinois, circa 1931. Typed caption on verso: "With Bill Lear in this 1931 picture taken in Chicago is Clarence Clabaugh, one of his…
Photograph of three men with a Waco UIC aircraft, circa 1920s-1930s. The verso inscription identifies two of the men as Wayne Thomis, Aviation editor for the "Chicago Tribune," and Howard Ailor, Waco salesman. The text "Equipped with Lear Radio…