Sgt. James McGarrigle from the Signal Corps is shown in this photograph taken on August 27, 1918. He is standing next to a 14 Field Signal projector, along with the battery case, extra batteries, and bulbs. This equipment was crucial for military communication during World War I. (50 words)

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Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
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