![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
![Original British WWI Small Box Respirator Gas Mask with Canister in Ha – International Military Antiques Original British WWI Small Box Respirator Gas Mask with Canister in Ha – International Military Antiques](https://www.ima-usa.com/cdn/shop/products/ONSV3653__06.jpg?v=1596337790)
Original British WWI Small Box Respirator Gas Mask with Canister in Ha – International Military Antiques
JPEO for Chemical, Biological, Radiological and Nuclear Defense - #ThrowbackThursday: First U.S.-Produced Gas Mask (L), First Improved Gas Mask for Field Use (C), and Primary World War I Gas Mask for U.S.
![Original British WWI Small Box Respirator Gas Mask with Canister in Ha – International Military Antiques Original British WWI Small Box Respirator Gas Mask with Canister in Ha – International Military Antiques](https://www.ima-usa.com/cdn/shop/products/ONSV3653__01.jpg?v=1596337669)