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Show I Tear Gas Bomb Highly Successful In Police Activity Against Crime I (BY rrOYD A. TTMMFTtM " ) Science during the world war developed de-veloped many things thnt hnve poved valuable In the dnys of peace that have followed But who would have ever guessed that a war Invention would later prove important in the capture of criminals? Yet it Is a fact and many police department of the United States have adopted the invention In effecting captures of criminals and other lawbreakers, law-breakers, raiding resorts of vice and crime, dispersing mobs, and in breaking break-ing up fights and riots. The new weapon of the modern polk po-lk eman Is the tear gas grenade. Hardly a man who served during the war either In the training ramp or overseas, neds introduction to tear gas. It Is a powerful, disagreeable disagree-able gas that generates fumes rapid-' ly and causes an immediate and unbearable un-bearable smarting to the rye, nose i throat and lungs Its powerful fumes cause the eyes to instantly fill with tears whi h Rlftkea clear vision im-j poss-lble henre Its name. Nil 111. till I I l.-lVI- I I But it has no deadly or serious effect. ef-fect. Its potem y soon departs and the victim is again normal. Tear gas was Invaluable during 'ho training of soldiers to withstand r.i" attacks. It could be used tlth safety in cases where a soldier was slow In slapping on his mask and took a whiff or two Inadvertently Hut in breathing it the soldier learned his lesson to hold his breath when ho heard the gas alarm ami to get his mask on quickly .and snugly. Around the training camps at certain cer-tain periods the soldiers were schooled school-ed to gas att.a ks and were ordered to "have their masks with them at .'-11 limes even in bed. Nobody knew when tear gas would he released from larpe cylinders and fill the camp with the obnoxious fumes In mi IS halls, barracks, comp.my streets anil all cantonment buildings the pr.as w II likely to come at any time and with Its release a gas attack warning would be sounded LEARNKD LESSON. In the use of the tear gas the soldier sol-dier learned hia lesson. If he unthinkingly un-thinkingly left his R.as mask on his bunk and happened t lo in the mes.s-hall mes.s-hall or other buildings he was likely to be caught at am true. One of tear gas. howe er. generally oured Him of the unthoughtful habit of leaving his mask In an out-of-the-way place Ills red-iimmri eyes told the sad story to his comrades for g days following and the guffaws of his bunkles bore little sympathy. I im of tear gas for gas training purposes aleo taught the men to get then-masks then-masks on fast and tight for It torn but a sniff to start the terrible -unseating feeling in the lungs and the tears deluging from the eyes. Habit of getting ;iv. , ., , the tear gas fumes made the man efficient effi-cient in avoiding gas atta Ks and when ho reached France and I surrounded hv the deadly pol i noi fumes of real war pas it was nothing more than mechanical action that mude him don ids mask with lightning light-ning speed and proper adjustment. OUTLIVES WAR, But tear km- outlived the war Its possibilities In thi capture of criminals crim-inals appealed ti. Dr. Lee Lewi former officer in the chemical warfare war-fare servlci. of the .army, .and now professor of chemistry al the Northwestern North-western university, Bvanaton, ill. In perfectlnK the tear gas crende for use by officers "f tin lav. Dr Lewis has changed the gas slightly! but tho basis of his prrnidn is the well known tear ca.v, which will long live in the memory of our soldier Frank C Huk1ix th t'nl.erslt of Minnesota aided him in perfecting perfect-ing it The value of tear gas for officers I 1h in Its superiority over guns, clubs or hombs and that It will not kill or permanently injure the culprit; that it contains no explosive or Inflammable Inflam-mable material, that any officer who can throw a baseball can use it effectively; ef-fectively; that the officer can use it without exposing himself either to i the effects of the uren.ado or the bullets bul-lets of the criminal, and that positively posi-tively no one can withstand the pow- ; erfiil fumes which It generates. FORGED TO SI KJM N DER The culprit is forced Into immedi- i ate abject surrender, although a few I minutes later he recovers entirely I from its effects The grenade consists of a round, hollow copper shell, about the size of a baseball. It contains chemicals, so arranpeil that when the grenade strikes an object, the Interaction of the chemicals on each other produces a dense mlx'.ure of Intolerable smoke and gas. Had this prenade been used in the past, many a brave officer Would be with his family today, instead of be- Inr a ilearl victim of bis cnnnii'i' :ind ; devotion to duty, others, whom officers of-ficers may have mistaken for crim- Jn.als and fired in haste, might also i be alive The gas formed is one of the most powerful tear gases known to scl- ' ence, a gas that almost instantly 1 penetrates almost every corner of the '. room, basement, boxcar, automobile, or whatever other compartment in which the gas Is formed. No one can withstand It. Kveryone plunges for the open air. ready to take any otlu-r punishment rather than continue to breathe the fumes. VALUABLE To OFFICERS. Its gnat simplicity Its handiness for the occasion, Its effective use WlthoUt exposure, its ability to bring I hiders quickly Into the open In a helpless submissive state, and yet Its safety to all concerned, makes It a valuable asset in making captures. The grenade can be thrown through windows, into barricaded houses, thus causing the occupants to vacate in a cry few seconds after breathing the ga. H S M N US1 S It can be used in dispersing mobs and breaking tip riots Tt can be made to bring criminals out of boxcars, basements and other i im losures In all such cases it ron- ders it unnecessary for the officers to enter tho inclosure. where they I might expose themselves to the bul-i bul-i lets of the person concealed It can bo used in halting speeding 1 automobiles w'here the driver refuses to stop and the officer does not want to shoot. It can be used in stopping fights between men or between boasts without with-out danger to anyone. It can be used in raids on places of vice and gambling in which operations opera-tions are usually conducted behind closed doors. In the case of gambling gam-bling as the usual thing, the evidence evi-dence Is removed before the officer can gain entrance, but If a tear gas grenade Is used first the plavcrs will immediately flee, leaving all evidence behind, and can be captured when leaving the building. Nearly all weapons carry a hazard and call for expertness in their use. In order to avoid accidents and ca-tastrophles. ca-tastrophles. Thus an officer using a pistol may make a mlsjake and kill an innocent man. Officers using dynamite or some other explosive to dislodge criminals may blunder and cause the loss of innocent lives or unduly destroy property. None of these hazards exist In the use of tho gas grenade. Should a mistake be made and the grenade hurled In the wrong room, the worst that could happen Is the distress of the inmates, whose safety la insured by retreat. Tlw pa.s RjTenn.dc has been official ly adopted by the police departments of Chicago and many other cities and tow lis. So fur it 'has been adopted by every police department to which it hag been presented. Chief of Police Leggett of Evan-ston, Evan-ston, 111 .. was one of the first to us the grenade and now considers It invaluable in-valuable to his department He says In its favor' "The grenade is logical log-ical for police use. It makes t lie victim cough, thus revealing his location lo-cation and causes him to break for the open air In a short time Its tear-produclng action renders the victim vic-tim helpless and incapable of resistance, resist-ance, without actually Injuring him." Police and sheriff dyepartments of the west are now considering the adoption of the tear g.is grenade i oo |