Military Helmet - from our story 'On This Day In Photos: July 7th In The 20th Century'

7th July 1915: The French steel helmet worn by the army. Original Publication: Illustrated London News - pub. 1915 (Photo by Hulton Archive/Getty Images)

7th July 1915: The French steel helmet worn by the army. Original Publication: Illustrated London News - pub. 1915 (Photo by Hulton Archive/Getty Images)

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