Soldier using an SCR-70 Vacuum Tube Receiver, part of the SCR Apparatus, during World War One. The photograph was taken on March 5, 1918. Annotator 2617 recommended this photograph for record purposes. The photograph is marked as not suitable for publication per laboratory notes.

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Size: 7982px × 6302px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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