Delletouts: Pa., August 13, 1915. GUNPOWDER IN WAR. Wor Centuries Its Use Was Opposed In the Name of Humanity. There was a period when any kind of “explosive” fighting in war wds con: sidered barbarous. The discovery of gunpowder put a stop to the old fash- doned methcd of attack, in which only missiles and sharp edged weapons were considered cthical, but gunpowder did pot come into approval without a struggle. In fact. it was under the “humanity” ban for almost three cen -turies. This remarkable compound of salt peter, stiphur and charcoal, which was given its first tryout at the siege of Constantinople in 1453, had been known to both the chemist and the soldier for a hundred veai's or more. It is said to have been discovered by Roger Bacon in England alouat the year 1290 and by a German monk named Schwarz twenty years later. Another independent discoverer