Photograph of people with an unidentified aircraft, circa 1910s-1930s. The man and woman in the foreground hold a propeller. "Checkered Air Service" is painted on the aircraft's tail.
Photograph of people working on the Aerial Experiment Association Aerodrome No. 3 "Loon" aircraft, circa 1907-1909.Caption on envelope: "Loon / Photographic description of aviation / H. M. Bonner / Hammondsport, New York."
Photograph of people working on the fuselage framework of an unidentified aircraft, circa 1910s-1930s.Inscription: "Thors Polson [written backwards on negative]."Inscription on envelope: "Thors Polson."