![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)
British Small Box Respirator with Haversack | Lest We Forget | World War I Exhibit | Pritzker Military Museum & Library | Chicago
![AEF Gasmasks & Respirators 1917 to 1919 - (1917-1919) WORLD WAR ONE, RUSSIAN INTERVENTION - U.S. Militaria Forum AEF Gasmasks & Respirators 1917 to 1919 - (1917-1919) WORLD WAR ONE, RUSSIAN INTERVENTION - U.S. Militaria Forum](https://www.usmilitariaforum.com/forums/uploads/monthly_02_2015/post-5143-0-73783100-1425036602.jpg)
AEF Gasmasks & Respirators 1917 to 1919 - (1917-1919) WORLD WAR ONE, RUSSIAN INTERVENTION - 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.
![File:British WWII gasmask SBR (Small Box Respirator) Haversack carry bag (britisk gassmaske med veske). Torås Fort Military History Museum Tjøme Færder Norway 2021 IMG 4694.jpg - Wikimedia Commons File:British WWII gasmask SBR (Small Box Respirator) Haversack carry bag (britisk gassmaske med veske). Torås Fort Military History Museum Tjøme Færder Norway 2021 IMG 4694.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/1/16/British_WWII_gasmask_SBR_%28Small_Box_Respirator%29_Haversack_carry_bag_%28britisk_gassmaske_med_veske%29._Tor%C3%A5s_Fort_Military_History_Museum_Tj%C3%B8me_F%C3%A6rder_Norway_2021_IMG_4694.jpg)
File:British WWII gasmask SBR (Small Box Respirator) Haversack carry bag (britisk gassmaske med veske). Torås Fort Military History Museum Tjøme Færder Norway 2021 IMG 4694.jpg - Wikimedia Commons
![Original U.S. WWI M1917 SBR Gas Mask with Carry Bag named to USGI in 3 – International Military Antiques Original U.S. WWI M1917 SBR Gas Mask with Carry Bag named to USGI in 3 – International Military Antiques](https://cdn.shopify.com/s/files/1/1524/1342/products/ONSV3496__10.jpg?v=1595598944)