Mechanical Training Detachments at Wilham Hood Dunwoody Institute in Minneapolis, Minnesota, conducting a radio class and learning signaling techniques. This image was taken by a photographer from the institute on December 28, 1918. The photo is labeled with the description number 55027 and is intended 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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