The image shows the SCR-74 Portable spark transmitting set used during World War One. This particular set is shown from the front view and was commonly used in trench warfare. The photograph was taken by RECO on March 5, 1918. Please note that this image was not meant for publication at that time.

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

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