"Electrical lecture at The College of the City of New York for Signal Corps men during World War I. The photo features a group of soldiers learning about electrical techniques. Date: April 24, 1919. Photographer: ECD. Notes: This image was used for instructional purposes."

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

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