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• Boeing Model 247 (2)
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[Mechanics working on Boeing Model 247 aircraft] (Item)

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 career in the United States and China, circa 1932-1933.

[United Airlines Boeing Model 247 aircraft parked at airfield] (Item)

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 Julius A. Barr's personal life and flying career in the United States and China, circa 1932-1933.