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British Small Box Respirator with Haversack | Lest We Forget | World War I Exhibit | Pritzker Military Museum & Library | Chicago
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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
Small Box Respirator : Lieutenant E C Dockar, 43 Battalion, Canadian Expeditionary Force | Australian War Memorial
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Original U.S. WWI M1917 SBR Gas Mask with Carry Bag, Instructions, and – 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.
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World War I Respirators and Equipment - British Military Respirators and Anti-Gas Equipment of the Two World Wars
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