| Show GAS EXPERTS IN FA OF SHELLS New I 1 Ways Ways' Devised for fori i Yankees to Combat Hun Poisons By J. J H. H Duckworth Newspaper Association tion Staff Correspondent WASHINGTON D. D D.C. C C. Aug 2 Uncle Sams Sam's gas experts t today day regard gas shells as the most important meth method od of using gases in warfare Vomiting g shells Is far more effective than sending It in clouds out of cylinders Success Is not dependent on th the wina and there are no elaborate trench preparations against backfire OrdInarilY Ordinarily fire the shells with long range guns or i- i trench mort mortars rs The targets be can be picked picked- out with accuracy Gas sh shells lIs t too o can be fired over hills where poisonous clouds then roll into dugouts and rout gunners I from flom th their ir positions The Huns us two types of shells Some explode wh when n th they y hit others have time fuses They sen send over shells with long time fuses then others with shorter fuses which explode all at once i Certain gas shells sheIls are marked T Tor T Tor or K The first contain dense gases slow to disperse the K shells deliver deliver de de- liver lighter lighter- ga s that float awn away quickly allowing assault troops to folIo fol follow fol- fol Io low up the gas attack Besides issuing masks U. U S army gas specialists have carefully Instructed Instruct instruct- ed Pershing's soldiers in other ther pr pro protective methods They ha have v shown them how to stop the Hun ga all aIl as heavier than air from pouring Into dugouts and cellars Blankets are nailed across I tho top tho-top top of the doorways of dugouts dugouts' and attached along the bottom edge to a plank upon which the blanket may be rolled up When the gas warning is sounded sound d these blankets are unrolled and sprayed with water or a mixture of water and glycerin to Insure tight air ness nees f r The men are taught to clear tr trenches and after fter a gas at at- at tack The men literally dig the gas out with big canvas blades that have havethe havethe the general form of a snow Shovel In dug dugouts a small fire of wood will disperse dis perse the pol fumes I |