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WWI Helmets Protect Against Shock Waves Just as Well as Modern Designs | Duke Pratt School of Engineering
Adrian helmet with "Polack" visor, 3rd type. Steel shell. Modified brass crest rivets. Fixed visor, with nasal and blade sights. Blue paint with chips (missing nasal) Black leather inner cap with lace.
French 1915 pattern 'Adrian' steel helmet : Sergeant W E Brown, 20 Battalion AIF | Australian War Memorial
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