Show ARMY GAS S MASKS l MENACE l IN MINES l Washington Feb 20 Arm Army gas ras masks are arc of no value In protecting coal conI miners against mine rnino gases g and only of oC slight value in protecting worl workers from ammonia fumes Col Coi B. B C C. Goss head of ot tho the sales sules and saha salvage e section of ot the army chemical warfare division declared tOda today In n Issuing a general warning against their use for thc these e purposes Colonel Goss said JosseN of or life lIe were eared feared unless the tho warnings warning reached purchasers of time thc masks maska who were ere heln being misled as to their capabilities ties tics by dealers who have purchased large numbers of or them from tram the gO gov- gov since th the war ended |