Oblique aerial photograph of an unidentified city, circa April 1933. The wing of a Boeing Model 247 aircraft (wing number NC-13302) is visible in the shot.Inscription on verso: "Apr. 33. C-30."Part of a photograph album related to Julius A. Barr's…
Oblique aerial photograph of mountains, circa April 1933. The engine and wing of a Boeing Model 247 aircraft is visible in the shot.Inscription on verso: "Apr. 33. C-2[illegible]"Part of a photograph album related to Julius A. Barr's personal life…
Photograph of a Railway Express Agency delivery truck and a United Air Lines Boeing Model 247 aircraft (wing number NC-13302) at an airfield, circa April 1933. Inscription on verso: "Apr. 33."Part of a photograph album related to Julius A. Barr's…
Photograph of a United Airlines Boeing Model 247 aircraft (tail number NC-13302) at an airfield, circa April 1933.Inscription on verso: "Apr. 33."Part of a photograph album related to Julius A. Barr's personal life and flying career in the United…
Photograph of mechanics working on a Boeing Model 247 aircraft, circa April 1933. One of the men is holding a motorized torque wrench. Inscription on verso: "Apr. 33."Part of a photograph album related to Julius A. Barr's personal life and flying…
Photograph of a Boeing Model 247 aircraft parked next to a United Air Lines building, circa April 1933.Inscription on verso: "Apr. 33. M-40."Part of a photograph album related to Julius A. Barr's personal life and flying career in the United States…
Photograph of a Boeing Model 247 aircraft parked at an airfield, circa April 1933.Inscription on verso: "Apr. 33."Part of a photograph album related to Julius A. Barr's personal life and flying career in the United States and China, circa 1932-1933.
Photograph of a United Airlines Boeing Model 247 aircraft (tail number NC-13302) parked at an airfield, circa April 1933. Two mechanics are working on one of the engines.Inscription on verso: "Apr. 33. W-25."Part of a photograph album related to…
Film footage of military aircraft and airliners, Washington State, circa 1937-1938. This footage is comprised of several short clips of the Boeing XB-15, Boeing Y1B-17, and various airliners. Identified aircraft include:
00:00:10 - U.S. Army Air…
Born-digital video recording of an oral history with Joseph Polocz and interviewer Dan Hagedorn, recorded as part of The Museum of Flight Oral History Program, March 17, 2017.