Photograph of Douglas C-1 aircraft parked at an unidentified airfield, May 1927.Inscription on album page: "Douglas Transports. Aerial maneuvers, May 1927."Part of a photograph album related to Julius A. Barr's flight training with the U.S. Army Air…
Photograph of a U.S. Army Air Corps serviceman seated in a Douglas C-1 aircraft, May 1927.Inscription on album page: "Cabin of Douglas Transport. Aerial maneuvers, May 1927. "Part of a photograph album related to Julius A. Barr's flight training with…
Photograph of a serviceman in flight gear standing next to the tail of a Douglas C-1 aircraft, circa 1926-1927. Inscription on album page: "At the tail of a Douglas transport."Part of a photograph album related to Julius A. Barr's flight training…
Photograph of a Douglas C-1 aircraft, circa 1920s. Inscription: "Douglas Transport / S.F. Airport [written backwards on negative]."Inscription on envelope: "Douglas Transport / S.F. Airport."