"Electrical Laboratory at The College of the City of New York being used to train Signal Corps men during World War I. This image, taken on April 24, 1918, shows a segment of the laboratory used for official purposes. Photo credit: A. U. 1917."

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Size: 8397px × 5726px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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