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A World War I British P Helmet, c. 1915 Zelinsky–Kummant protivogaz, designed in 1915, was one of the first modern-type full-head protection gas masks with a detachable filter and eyelet glasses, shown here worn by U.S. Army soldier (USAWC photo) Indian muleteers and mule wearing gas masks, France, February 21, 1940 A Polish SzM-41M KF gas mask, used from the 1950s through to the 1980s
The veiling could be drawn up to cover the eyes, providing some protection against lachrymatory agents; however, the mask itself still only provided limited protection against chlorine gas. [ 4 ] First issued on 20 May 1915, the Black Veil had a pouch for the pad to sit in and a string to hold the mask in to the face, and was thus an ...
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The lifetime ownership cost of the mask was reduced by 50% when compared with the M40 series mask due to a lower repair part count, all maintenance being completed at the operator and unit level and color coding of repair parts which decreased on-hand repair part inventory. [7] United States Marine Corps member is wearing a M50 mask
Earlier versions of the gas mask prior to 1915s development of the small box respirator were crude and ineffective as no troops had yet experienced poison warfare. One of the first gas masks seen in the early part of the war was the British hypo helmet, after recent failure and ineffectiveness of the black veil respirator. The helmet was ...
This primitive type of mask went through several stages of development before being superseded in 1916 by the canister gas mask. [12] More elaborate sorbent compounds were added later to further iterations of the helmet (P Helmet and PH helmet), to defeat other respiratory poison gases used such as phosgene, diphosgene and chloropicrin.
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