![GAS GAS!! Living historian of the Manchester Regiment demonstrates use of the British small box respirator first used April 1916 Stock Photo - Alamy GAS GAS!! Living historian of the Manchester Regiment demonstrates use of the British small box respirator first used April 1916 Stock Photo - Alamy](https://c8.alamy.com/comp/E8FHKP/gas-gas!!-living-historian-of-the-manchester-regiment-demonstrates-E8FHKP.jpg)
GAS GAS!! Living historian of the Manchester Regiment demonstrates use of the British small box respirator first used April 1916 Stock Photo - Alamy
![Finished my hand made Small Box Respirator to show my classes - REENACTING GROUPS & REPRO GEAR - U.S. Militaria Forum Finished my hand made Small Box Respirator to show my classes - REENACTING GROUPS & REPRO GEAR - U.S. Militaria Forum](https://www.usmilitariaforum.com/forums/uploads/monthly_08_2018/post-190186-0-78536300-1535065484_thumb.jpg)
Finished my hand made Small Box Respirator to show my classes - REENACTING GROUPS & REPRO GEAR - U.S. Militaria Forum
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)
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 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
![British Small Box Respirator with Haversack | Lest We Forget | World War I Exhibit | Pritzker Military Museum & Library | Chicago British Small Box Respirator with Haversack | Lest We Forget | World War I Exhibit | Pritzker Military Museum & Library | Chicago](https://www.pritzkermilitary.org/sites/default/files/images/exhibit/p16630coll4790-1000.jpeg)