![Facepiece to a US WWI Corrected English Box Respirator size 3 wide, seems to be late war due to the Poly Lenses, thin flutter valve bracket, and adjustable harness : r/gasmasks Facepiece to a US WWI Corrected English Box Respirator size 3 wide, seems to be late war due to the Poly Lenses, thin flutter valve bracket, and adjustable harness : r/gasmasks](https://i.redd.it/facepiece-to-a-us-wwi-corrected-english-box-respirator-size-v0-3h9avubwhwgc1.jpg?width=1080&format=pjpg&auto=webp&s=88aeca7189047a4a94ff34d7de49afb95bf5d69c)
Facepiece to a US WWI Corrected English Box Respirator size 3 wide, seems to be late war due to the Poly Lenses, thin flutter valve bracket, and adjustable harness : r/gasmasks
![AEF Gasmasks & Respirators 1917 to 1919 - Page 2 - (1917-1919) WORLD WAR ONE, RUSSIAN INTERVENTION - U.S. Militaria Forum AEF Gasmasks & Respirators 1917 to 1919 - Page 2 - (1917-1919) WORLD WAR ONE, RUSSIAN INTERVENTION - U.S. Militaria Forum](https://www.usmilitariaforum.com/forums/uploads/monthly_02_2015/post-5143-0-40938200-1425041097.jpg)
AEF Gasmasks & Respirators 1917 to 1919 - Page 2 - (1917-1919) WORLD WAR ONE, RUSSIAN INTERVENTION - U.S. Militaria Forum
Small Box Respirator : Lieutenant E C Dockar, 43 Battalion, Canadian Expeditionary Force | Australian War Memorial
![The Box Respirator Type CE (Corrected English) was the AEF's first successful design. After the failure of the American Small Box Respirator due to the facepiece's vulnerability to some war gases and The Box Respirator Type CE (Corrected English) was the AEF's first successful design. After the failure of the American Small Box Respirator due to the facepiece's vulnerability to some war gases and](https://i.redd.it/85thv051guf31.jpg)
The Box Respirator Type CE (Corrected English) was the AEF's first successful design. After the failure of the American Small Box Respirator due to the facepiece's vulnerability to some war gases and
![Box Respirator, Type Corrected English and a M1917 Brodie Helmet both dated around 1918. : r/gasmasks Box Respirator, Type Corrected English and a M1917 Brodie Helmet both dated around 1918. : r/gasmasks](https://i.redd.it/tyepst3vn7r41.jpg)
Box Respirator, Type Corrected English and a M1917 Brodie Helmet both dated around 1918. : r/gasmasks
![AEF Gasmasks & Respirators 1917 to 1919 - Page 2 - (1917-1919) WORLD WAR ONE, RUSSIAN INTERVENTION - U.S. Militaria Forum AEF Gasmasks & Respirators 1917 to 1919 - Page 2 - (1917-1919) WORLD WAR ONE, RUSSIAN INTERVENTION - U.S. Militaria Forum](https://www.usmilitariaforum.com/forums/uploads/monthly_02_2015/post-5143-0-09367100-1425038637.jpg)