Workers conducting maintenance on a propeller during World War One. This activity was crucial in ensuring the proper functioning of military aircraft. The photograph was taken on December 31, 1917, by photographer Cop. Dawson, and the description refers to "trucling up" the propeller. The photo was later released to a laboratory for further analysis.

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Size: 7979px × 6297px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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