Show HOBS GUNS OF NOISE GIVES TEST OP OF SILENCER IN NEW YORK device of hiram p maxim slows down escaping gases danes prior to at impact pita fits on nuzzle muzzle of rifle now york tork A merry marry party opening many bottles ot 0 champagne was what hiram percy maxims demon demonstration of lits hla now new gun silencer sounded the other afternoon at the P potter ater building la in park row now and again however there came a report several degrees louder than the puffy pops and tho the audience understood der stood maxim was just showing tho the difference between the bo old and the new way but to for the most part it was just that little puff popping and said euld most of the noise came from thil impact of tho the bullets against the abo sand in tho the target it was the first public demonstration which the inventor has given ot at the tha silent gun which with smokeless powder leaves the marksman inand ible as aa well as aa invisible lie he held it in the offices of his attorneys and in tile the next room a typewriter kept pounding koys keys lust just it is line with tho the course of tho the bullets but maxims target did not let any of them pass the gutis gutia which he used ranged all tho the way from the tha little 22 repeating raflo to the new 30 army weapons weapon 8 and took in tile the I 1 high power and the silencer to Is a little black who tubo which screws on an at tho the muzzle of tin the gun gim and has it as abo about ui twice tho diameter of the barrel tho the size and weight very according to the caliber and power of tho the arm for a 22 caliber the tubo to Is about four inches long and less than an inch and a hall in diameter for a 30 rifle tho the silencer Is two inches longer but haq haa the same diameter the weight to Is from six to nin ounces I 1 first maxim snapped his tittle little repenting repeating rifle at the target without the tha tube tuba on tho the end tho the noise pleasant to hear bear then he put on a silencer the listener heard tho the ham mer come hard against the cartridge ho he saw aw a little puff anti ami that was all maxim tried short and long rifle cart ridges and the noise was not appreciably different then he worked up to high power guns lie ile lot let a 30 rifle so go without the little black tube on tho the end en dand after that everybody hold hta his cars abon time camo came for a shot without the tha silencer with it in place the noise was just the same earno as aa a champagne bottle battle popping finally ho picked up a united states army rifle which he be described as the best beat in the world tho the bullet has tilt nn initial velocity ot of about 2700 feet a second and when one cue hears bears it ft starter started on its course under tinder normal conditions the impact upon the eardrum to Is so se vere yet with that fiat liuo black tube iba in place tho the sound Is ie scarcely audible the theory upon which ach the silencer works maxim described as being identical with that of the negative turbine tho the gunpowder gases as aa soon na as they enter tho silencer from the barrel of the gun moot meet tho the spiral chambers in thu tho interior of the tube and aro are set to io whirling the tendency of whirling bodies Is to ly fly out from the center and Inna much as tile tho only means of exit from tho the silencer Is near the center the gases are unable to escape until they have slowed down |