A close-up image of the sight on the 18-inch English cone used by the Research and Inspection Bureau in Paris, France during World War One. This photograph of Sgt. Gallivan was taken on December 2, 1918. The image is not for publication and is designated as for official use only.

---

Size: 8513px × 5781px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: .., 18-, 2, 4, 1918, 28670, activities, american, bureau, close, cone, dec, english, france, gallivan, inspection, military, nov, official, paris, publication, research, ring, seine, sgt., sight, war, world