Photograph of a pilot climbing into a United Air Lines Boeing Model 40 aircraft, circa 1929-1931.Part of a photograph album related to Julius A. Barr's personal life and flying career in the United States and China, circa 1929-1931.
Photograph of a pilot and mechanic with a Boeing Model 40 aircraft, circa 1929-1931. An insignia for Railway Express Agency is visible on the fuselage.Part of a photograph album related to Julius A. Barr's personal life and flying career in the…
Photograph of a pilot standing next to a Boeing Model 40 aircraft, circa 1929-1931. An insignia for Railway Express Agency is visible on the fuselage.Part of a photograph album related to Julius A. Barr's personal life and flying career in the United…