Factual caption: Experimental visored helmet for advanced positions issued to the Engineering Division of the Ordnance Department during World War I. This particular type of helmet is designated as M takes number ATL. The photograph was taken on December 18th. The notes indicate that the helmet is part of a larger collection numbered 20-18-49.

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Size: 8539px × 5779px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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