others. The engines of war are getting more + more destructive. The size of some of the trench mortars used on both sides is apalling + the shock of the concussions made by the explosions of the largest bombs nothing short of terrific. We started with machines which threw bombs a little larger than hand grenades a little farther than a hand grenade could reach. Now we throw a 400 lb filled with the most powerful explosives nearly two miles. We seem to be able to outrange Fritz completely + our accuracy is good. When an ordinary 150 lb flying pig lands on a house it seems to blow