Trainees at the Signal Corps school for enlisted specialists in Camp Alfred Vail, New Jersey, construct a rheostat. This photograph was taken by an AU symbol photographer for the Signal Corps. The image is numbered as 64362 and was received on 2-19-1921. Notes indicate that it was issued for rheostat construction. Courtesty: Signal Corps.

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Size: 8389px × 5717px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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