Contents of the Collection The Margaret Keyser Early Aviation Photograph Collection includes approximately 70 black-and-white photographs of assorted aircraft, 1918-1940 (bulk dates 1920s-1930s). Sizes range from 3x5" to 16x20" and many images include brief captions that provide contextual information, such as aircraft model, location, or date. A sample of identified aircraft includes the Boeing P-12E, Curtiss O-1 Falcon, Douglas B-23, Keystone Bomber, and Thomas-Morse O-19. There are also several shots of...