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During World War I, a German sturmtruppen soldier wearing an M1917 gas mask and holding an M1915 Stielhandgranate poses in a trench..(1910s) (the color of the uniform has been adjusted) : r/Colorization
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World War 1 WW1 WWI Gas Mask Soldier Infantry Military Cardboard Cutout Standee Standup - Walmart.com
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To see or to breathe? The dilemma of WWI eyewear in combat. Part 2 of WWI Eyewear Retrospective. | The Eyewear Blog
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File:Photo of French soldier with an early type of gas mask - World War I (1914-1918).jpg - Wikimedia Commons
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British soldier wearing a gas mask and helmet on the Western Front in France during World War I in..., Stock Photo, Picture And Rights Managed Image. Pic. MEV-10272134 | agefotostock
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