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Show PREVENTION OF SHELLS PREMATURE EXPLOSION WASHINGTON, Nov. 10. - In order to make premature explosion of shells used by the army practically an impossibility, im-possibility, the ordnance department has devised a test forty times more sovere than the one formerly given In tho future every shell before It is issued for use will he subjected to a hydraulic pressure of 20,noo pounds to the square Inch. While tho old test of 500 pounds' water pressure to tho square Inch was almost certain to force water out ot any. holes which might be In the projectile, pro-jectile, tho new one should invariant develop any flaw or weak place, according ac-cording to ordnanco experts. |