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rescue apparatus

A name applied to certain types of apparatus worn by workers, permitting them to work in noxious or irrespirable atmospheres such as obtained during mine fires, following mine explosions, as a result of accidents in ammonia plants, from smelter fumes, etc. Oxygen compressed in a cylinder, a regenerating substance to purify the breathed air, and a closed system constitute the general principle of the apparatus.

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  • ed.young
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