Photograph of Learadio radio and navigation equipment, consisting of a transmitter, receiver, and direction finder, circa 1936-1939. The verso caption notes that this equipment was developed by "myself" (William P. Lear) and Reeder Nichols for the…
Photograph of Clyde Pangborn (left) and an unidentified man standing next to a Boeing 247 aircraft (fuselage number 57) at Boeing Field, Seattle, Washington, circa 1934. Pangborn and Roscoe Turner flew this aircraft during the 1934 MacRobertson…