Invention of the Gas Mask
embodiments of the present invention. In my opinion, too many survival articles begin by pointing out that water is the number one survival priority but its not. Retrieved Bibliography edit Wetherell, Anthony; Mathers, George (2007 "Respiratory Protection in Marrs, Timothy; Maynard, Robert; Sidell, Frederick, Chemical Warfare Agents: Toxicology and Treatment, New York: Wiley,. . The supporting element (e.g., frame 200 shown in FIG. Mask Frame As shown in FIG. 1 b shows the headgear assembly laid flat with the frame 20 removed therefrom. Accordingly, a need has developed in the art to provide a mask assembly that is capable of overcoming the drawbacks or limitations of the prior art. Other differences between the embodiments will be described below.
Who invented the, gas, mask?
This mask is 40mm filter compatible, which is the most versatile filter sizing option. 2 illustrates the mask assembly 10 from the left side view, FIG. Similar in concept to a portable water filter that cleans water prior to drinking. Drobnicki, John.; Asaro, el Escorial (in Spanish) Richard (2001). 21 This canister gas mask had a tin can containing the absorbent materials by a hose and began to be issued in February 1916.
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