[Boeing P-12D aircraft]

Photograph of several Boeing P-12D (Model 227) aircraft of the 17th Pursuit Squadron parked at the National Air Races in Cleveland, Ohio, April 7, 1931.

Inscription: "U.S. Army. Cleveland. Boeing P-12D."

Inscription on verso: "U.S. Army Boeings. 17th Pursuit Squadron. Cleveland, April 7, 1931."

Item from page 16 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.