Photograph of a De Havilland D.H.4 ambulance aircraft (fuselage designation A.S. 68188), circa 1910s-1930s. A compartment on the fuselage is open to show a rescue basket.Caption on envelope: "DH-4 ambulance / 3/4 rear."
Photograph of a De Havilland D.H.4 ambulance aircraft (fuselage designation A.S. 68188), circa 1910s-1930s.Caption on envelope: "DH-4 ambulance / Side / 60."
Photograph of a De Havilland D.H.4 ambulance aircraft (fuselage designation A.S. 68188), circa 1910s-1930s. A compartment on the fuselage is open to show a rescue basket.Caption on envelope: "DH-4 ambulance / 3/4 rear / 43."
Photograph of a De Havilland D.H.4 aircraft in low flight, circa 1910s-1930s. Caption: "De Haviland [sic]."Caption on envelope: "DH-4 in flight / Side."
Photograph of a De Havilland D.H.4 aircraft taking off, circa 1910s-1930s.
Caption: "De Haviland [sic]."
Caption on envelope: "DH-4 take-off / 3/4 front below."
Photograph of a Douglas C-1 aircraft, circa 1920s. Inscription: "Douglas Transport / S.F. Airport [written backwards on negative]."Inscription on envelope: "Douglas Transport / S.F. Airport."
Photograph of three men with an unidentified flying boat, circa 1910s-1930s. One of the men holds a shotgun and some hunted ducks.Caption on envelope: "Duck hunter."