![This day in WWI on X: "British soldier wearing a PH Helmet. The PH Helmet was first introduced in July 1915, and became the standard in October 1915 when it replaced the This day in WWI on X: "British soldier wearing a PH Helmet. The PH Helmet was first introduced in July 1915, and became the standard in October 1915 when it replaced the](https://pbs.twimg.com/media/EpBBiBBVEAIqSNw.jpg:large)
This day in WWI on X: "British soldier wearing a PH Helmet. The PH Helmet was first introduced in July 1915, and became the standard in October 1915 when it replaced the
Hypo Helmet. Aka Smoke Hood. First used by the British Empire in June 1915. Dr. Cluny MacPherson, a soldier serving in the Royal Newfoundland Regiment... | By The Dayton Doughboy | Facebook
![World War I Respirators and Equipment - British Military Respirators and Anti-Gas Equipment of the Two World Wars World War I Respirators and Equipment - British Military Respirators and Anti-Gas Equipment of the Two World Wars](https://erenow.org/ww/british-military-respirators-anti-gas-equipment-two-world-wars/british-military-respirators-anti-gas-equipment-two-world-wars.files/image021.jpg)