Photograph of a Thomas-Morse S-4C aircraft (tail number 38739), circa 1910s-1930s. Another aircraft is visible in the background.
Caption on envelope: "Thomas Morse SC-4 / 73."
Photograph of a Thomas-Morse S-4C aircraft (tail number 38739), circa September 1918.
Caption on envelope: "Thomas Morse Scout / Side / 27 / Wright Field / Neg. No. 822 / 1918 September 25."