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French M2 Gas Mask and Carrying Bag | What Price Glory
File:French Soldier ("trench cleaner") with a Chamelot Delvigne revolver, primitive gas mask (in this case a cloth mask and goggles soaked with chemicals) and dagger (1915, colorized).jpg - Wikimedia Commons
Gas masks review for these men of... - WW1 Colourised Photos | Facebook
French gas mask hi-res stock photography and images - Alamy