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American Soldier and Horse Demonstrating Use of Gas Masks, During WWI' Photographic Print | AllPosters.com
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100th Anniversary Of U.S. Entering WWI: Equestrian Heroes Of World War I And The Plot To Poison Them : NPR
![A German soldier and horse wearing anti-gas repirators. The First World War brought about the first need for mass-produced gas masks on both sides because of the extensive use of chemical weapons A German soldier and horse wearing anti-gas repirators. The First World War brought about the first need for mass-produced gas masks on both sides because of the extensive use of chemical weapons](https://c8.alamy.com/comp/2B3RD3R/a-german-soldier-and-horse-wearing-anti-gas-repirators-the-first-world-war-brought-about-the-first-need-for-mass-produced-gas-masks-on-both-sides-because-of-the-extensive-use-of-chemical-weapons-that-began-in-1915-2B3RD3R.jpg)
A German soldier and horse wearing anti-gas repirators. The First World War brought about the first need for mass-produced gas masks on both sides because of the extensive use of chemical weapons
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