Over 8 million of the M2 series masks were produced during World War II, becoming obsolete in 1949. That problem, and its heavy canister, led to the development of the M3 series and M4 series Lightweight Service Gas Masks during 1942. The M2 series masks lacked an internal nose cup and were more prone to fogging than their successors. A waist strap kept the bag close to the body. In use, the mask was removed from the bag while the canister remained in the bag, connected by the hose. The MIVAI (M4A1) carrying bag was used with a wide right-shoulder strap, carried at waist position on the left side. The next design, the M3 Lightweight Gas Mask, made substantial improvements over the M2 series. The M2 mask was based on a design proposed in 1915 by Ren Louis Gravereaux of Paris. ![]() This is a nice condition complete French WWI M2 Gas Mask which is stamped 14.8.17 (August 14th, 1917). The M2 mask was very successful in providing protection for the soldier, but weighed about 5 pounds and was too bulky and inconvenient to use. Item Description Original item: Only One Available. M1VA1 Gas Mask Bag, used for the M1 and M2 series masks and others, sometimes with additional markings to designate which mask is enclosed. While chlorine gas could kill in concentrated amounts, it was more or less neutralized with the widespread deployment of gas masks by 1917. The M2A2 and M2A3 had a round outlet valve with concentric circle grillwork. The Deadly Toll of Phosgene and Mustard Gas. The M2A1 outlet valve was flat, egg-shaped with no grill. Improvements to the outlet valve resulted in the M2A2 in 1942 and the M2A3 in 1944. The M2 Service Gas Mask was produced in three sizes: small, universal, and large. The M2A1 Service Mask used the facepiece of the training mask but replaced the training canister with the corrugated tube and M1XA1 filter canister arrangement from the M1A2 Service Mask. The M1 Training Mask was carried in a deep-pocket shoulder bag with a snap opening at top and a waist string attached to D-rings. The M1 Training Mask was standardized as the M2A1 Service Gas Mask in 1941.Īs the MI Training it used a cylindrical canister attached directly to the facepiece at the inlet valve, projecting downward to the wearer's chest. ![]() In 1939, the US Army developed the lightweight M1 Training Mask with a fully molded rubber facepiece, the first mai service respirator to eliminate stockinet cloth coverings. The M2 was developed and used during the second world war, from 1941, to 1949. The M2 mask was used by the US Army, replacing the M1.
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