Photograph of a swept antenna on the underside of a Fairchild 24 aircraft, circa 1939. A person, mostly out of frame, points to the antenna from the image's left side.Inscription: "First swept antenna on Fairchild 24. 1939."
Photograph album containing photographs of Lear Avia staff, equipment, facilities, circa 1940-1943. Images depict employees at work in various settings at the company's Piqua (Ohio) and New York branches, such as a research laboratory, assembly and…