Members of the Mechanical Training Detachments at the Wilham Hood Dunwoody Institute in Minneapolis, Minnesota, are being trained in the Electrical department. The photograph, taken on December 28, 1918, is labeled as "For Official use only."

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Size: 8527px × 5741px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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