Photograph of several Boeing P-12D (Model 227) aircraft of the 94th Pursuit Squadron parked at the National Air Races in Cleveland, Ohio, April 7, 1931.Inscription: "U.S. Army. Cleveland. Boeing P-12D 94th."Inscription on verso: "Boeing P-12D's of…
Photograph of a United States Army Air Corps Boeing P-12E (Model 234) aircraft, likely at the National Air Races in Ohio, circa 1930s.Inscription: "U.S. Army. Boeing P-12E."Inscription on verso: "Boeing P-12E."Item from page 14 of the LeRoy Milliren…
Photograph of a United States Army Air Corps Boeing P-12E (Model 234) aircraft (tail number 43) parked near a building, likely at the National Air Races in Ohio, circa 1930s.Inscription: "U.S. Army. Boeing Fighter P-12E."Inscription on verso: "Boeing…
Photograph of a United States Army Air Corps Boeing P-12D (Model 227) aircraft on display at the National Air Races in Cleveland, Ohio, April 7, 1931. Other airplanes are on display in the background.Inscription: "U.S. Army. Cleveland. Boeing P-12D.…
Photograph of several 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-12Ds."Item from page 15 of the LeRoy Milliren National…
Photograph of a United States Army Air Corps Boeing P-12E (Model 234) aircraft parked near a building, likely at the National Air Races in Ohio, circa 1930s.Inscription: "U.S. Army. Boeing P-12E."Inscription on verso: "Boeing P12-E. P.W. WASP 450.…
Photograph of a United States Army Air Corps Boeing P-12B (Model 102B) aircraft parked in a hangar, likely at the National Air Races in Ohio, circa 1930s.Inscription: "U.S. Army. Boeing P-12B."Inscription on verso: "Boeing P12-B. P.W. WASP 450.…
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…
Photograph of United States Army Air Corps aircraft parked at the National Air Races in Cleveland, Ohio, April 7, 1931. The group includes Boeing P-12B (Model 102B), Boeing P-12C (Model 222), and Boeing P-12D (Model 227) aircraft.Inscription: "U.S.…
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…