[Boeing P-12C aircraft]

Photograph of several United States Army Air Corps Boeing P-12C (Model 222) aircraft parked at the National Air Races in Cleveland, Ohio, April 7, 1931.

Inscription: "U.S. Army. Boeing P-12Cs. LM."

Inscription on verso: "Army Boeing P-12-Cs. Cleveland Airport. 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.