Chief Signal Officer of the Army demonstrates the Wave Coil used in the Signal Corps in Washington, This photograph, taken on June 29, 1920, was issued with a confidential symbol. The image also includes the identification number, photographer's initials, and other notes.

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Size: 8495px × 5781px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: +0, .., ..., 6-29-1920, 68464, 9068764, activities, american, army, chief, coil, confidential, corps, description, issued, military, notes, officer, offices, photographer, photographs, reco, signal, sumber, symbol, war, washington, wave, world, –