Photograph of a United States Army Air Corps Curtiss P-6B Hawk aircraft parked at an airfield, likely at the National Air Races in Ohio, circa 1930s.Inscription: "U.S. Army. Curtiss P-590."Inscription on verso: "Curtiss P-590 Hawk (Later classed…
Photograph of a United States Army Air Corps Boeing XP-26 (Model 248, XP-936, Y1P-26, P-26) aircraft parked at an airfield, likely at the National Air Races in Ohio, circa 1930s.Inscription: "U.S. Army. Boeing XP936."Inscription on verso: "Boeing all…
Photograph of a United States Army Air Corps Boeing XP-26 (Model 248, XP-936, Y1P-26, P-26) aircraft parked at an airfield, likely at the National Air Races in Ohio, circa 1930s.Inscription: "U.S. Army. Boeing XP-936"Inscription on verso: "Boeing all…
Photograph of a United States Army Air Corps Boeing XP-26 (Model 248, XP-936, Y1P-26, P-26) aircraft parked at an airfield, likely at the National Air Races in Ohio, circa 1930s.Inscription: "U.S. Army. Boeing XP-936"Inscription on verso: "Boeing…
Photograph of a United States Army Air Corps Boeing XP-12H (Model 227) aircraft parked near a building, likely at the National Air Races in Ohio, circa 1930s.Inscription: "U.S. Army. Boeing XP-12H"Inscription on verso: "Boeing XP-12H. P.W. WASP…
Photograph of a United States Army Air Corps Boeing XP-12H (Model 227) aircraft parked at an airfield, likely at the National Air Races in Ohio, circa 1930s.Inscription: "U.S. Army. Boeing XP-12H"Inscription on verso: "Boeing XP-12H. P and W WASP…
Photograph of a United States Army Air Corps Boeing XP-12H (Model 227) aircraft parked near a hangar, likely at the National Air Races in Ohio, circa 1930s.Inscription: "U.S. Army. Boeing XP-12H"Inscription on verso: "Boeing XP-12H P.W. WASP…
Photograph of a United States Army Air Corps Boeing P-12D (Model 227) aircraft parked at an airfield, likely at the National Air Races in Ohio, circa 1930s.Inscription: "U.S. Army. Boeing P-12-D."Item from page 13 of the LeRoy Milliren National Air…
Photograph of a United States Army Air Corps Boeing P-12D (Model 227) aircraft (fuselage number 3) parked at an airfield, likely at the National Air Races in Ohio, circa 1930s.Inscription: "U.S. Army. Boeing P-12D."Item from page 13 of the LeRoy…
Photograph of a United States Army Air Corps Boeing P-12D (Model 227) aircraft parked at an airfield, likely at the National Air Races in Ohio, circa 1930s.Inscription: "U.S. Army. Boeing P-12D."Item from page 14 of the LeRoy Milliren National Air…