An emergency gas mask that can be made at home was demonstrated in Manhattan last week by the American ... a bathing cap, a small tin can, the transparent cover from a powder-puff box, a ...

One requirement is that the current M50 gas mask, in use by all services, not be affected by the JGPD-HME decontaminant under consideration. ... SMARTMAN wears an M50 mask within a small, ...

In the early years of the war a gas mask was an ever-present accoutrement - an unfashionable, ... proving to be too small to take the later, modified gas mask.