![](http://www.alamy.com/thumbs/6/CBBEEBDD-EAC9-450A-BBD3-35C7E30FB0A2/2RC7KWM.jpg)
Mechanical Training Detachments at Wilham Hood Dunwoody Institute in Minneapolis, Minnesota. This photo shows sheet metal workers engaged in training activities. It was taken on December 28, 1918, and is marked for official use only.
Size: 8527px × 5741px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No
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