Image shows Lieutenant deBerri, a photographer in the Signal Corps, with a assembled "Fan" model of the aircraft. The photograph was taken at the Bureau of Standards in Washingotn and is not for publication.

---

Size: 9183px × 6305px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: .., ..4, 1, 1918, activities, air, aircraft, american, april, archives, arsenal, aviation, bases, bureau, communication, de, deberri, development, equipment, fan, historical, history, innovations, intelligence, lt., manufacturing, military, model, nose, operations, pan, personnel, photograph, photographer, photographs, photography, regulating, regulations, research, secrecy, security, sig., soldiers, standards, strategy, tactics, technology, testing, training, uniforms, view, war, wartime, washington, world