Ford C-4A [Tri-Motor]

Photograph of a United States Army Air Corps Ford C-4A Tri-Motor aircraft (tail number 51, AC31-402) parked at an airfield, likely at the National Air Races in Ohio, circa 1930s.

Inscription: "U.S. Army. Ford C-4A."

Inscription on verso: "Ford C-4A. 3 PW Wasps. A14CLM."

Item from page 41 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.