[Douglas Y1B-7 (B-7)]

Photograph of a United States Army Air Corps Douglas Y1B-7 (B-7) aircraft parked at an airfield, likely at the National Air Races in Ohio, circa 1930s.

Inscription: "U.S. Army. Douglas B-7."

Inscription on verso: "Douglas B-7 M?SLM. 2 Curtiss 'Conq.' 600. 3/4F. M-11. I.A.A.P.E.C."

Inscription underneath photograph on album page: "B-7."

Item from page 43 of the LeRoy Milliren National Air Races photograph album, circa 1920s-1930s. Album contains one hundred ninety-eight (198) black-and-white photographs taken at the air races during this time period.