Photograph of a Curtiss 18-B Hornet aircraft (tail number A3325), circa 1910s-1920s. Inscription: "Curtiss Kirkham Triplane."Caption on verso: "Wasp. Curtiss Triplane. Altitude record 30,700 feet."Inscription on verso: "Wasp. Alt. Rec. 30,700 ft."
Photograph of a Bristol Fighter F.2B aircraft (tail number P 37) of McCook Field, U.S. Army Air Corps, circa 1910s-1930s. The aircraft has a Royal Flying Corps roundel on the fuselage.