![]() ![]() Light Respirator with L2 valve in 元 holder.Three particular models of respirator were listed as being especially suitable for tele-communication personnel: IV Special T Mic were to be employed in an event requiring communication equipment. ![]() The Mk Va was essentially a stop-gap replacement for the Mk IVa Which was of the same design, The only difference being that the Mk IVa used the Mk.IV face piece instead.ĭespite being mostly supplanted by the Light Anti-Gas Respirator, post-war documentation suggests both the Mk. The reason the mask had a longer hose was than before was because some of the branches of the British military like the RAF found out that the way the mask was chest carried was too restrictive. It incorporated a longer hose about 3 times longer than the regular hose used with the Mk IV and Mk V masks. Another Variation of the mask was introduced. The microphone port became standard unlike on the Mk IV.Īround the time the Mk V was adopted. Early Mk V respirators still had stockinette on the hoses but by 1941 this had also been removed, leaving the mask in just plain rubber. Secondly, the small fibres of the stockinette were thought to be capable of trapping deposits of deployed chemical weapons, thus stockinette-covered masks presented a potential decontamination issue. Firstly, it made the Mk V cheaper to produce in a war economy. The stockinette was removed for two main reasons. First appearing around 1940, the design is not too much changed from the earlier Mk IV respirators - with the notable exception that the facepiece lacks the stockinette. The Mk V respirator, at its most basic level, was essentially another iteration of the Mk IV. ![]()
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