Show QUALITIES OF DIFFERENT GAS MASKS IN FIGHTING OF mm MINE FIRES investigated that UK the arlon monoxide o 0 arks anek ij a awful ami ambory ory to clows engaged aa in fin rig ing ng bisno fira fir 1 a and un in rue an atoil rc ceier rat ioni flowing calne firel nad ard ta its the conclusion drawn from an of the in male ae by the I 1 institute Int iUt of eil and tho the lepart department ment of tb abe inter later lr r it in ro pr por itin atrin owing to it in ill able gair f airen aa 1 esoto itai sis tha the alion r gu masic mask is i however not a substitute for oxy goat breathing aplin ratum la in all mine minei i where gas meek ore worn there may been daigger of entering an atmo itt moir oleere habre depleted of its against chieh the gai gas conot co not int and aw all such a condition niftier minors clune safety lamp should be As long all a the flame burn burns there Is t no rin d r pf insufficient oxy gc to tho the of ka mask maiks but ir ty a the flarnt go out they shoula ini tra in I 1 reit it I 1 it itil I 1 recently there ha ln lw n a 1 tek of knowledge imon tri tong rn to i i x men as a to the th an I 1 lim hin imatt itati its ot of rae gas mank manki i when worn in m atif nii 4 during fire fires and after explosion th the I 1 auriau urian of ot of th ulterior interior d 1 I 1 ament it hee has for aars experiment d fl hi aricue types arre of maks and it 1 is pub flici its it results tn in ava avalawle lable tech ni tit I 1 capere tho the bureau aleo also has ha it 14 i t 1 I numerous warnings against afrin certain types of ma mak maki ki nil nal the limitations of if others tb ure use ef of sit biniek asks at minea mine as a accessory to oxygen apparatus opp aratus haa has be pomp rome increasingly general go until at tile pre ent time there ire about SOW masks available for imm Imme cliate hate ue use at mini min i nit und their employ employment meat during tinn times of disinter lie liter i is mo more to common comin nn with reported satisfactory satie factory y re r e 1 suite stilts |