Show PRECISION OF ARTILLERY FIRE exact science employed in methods of modern gunners how do v hit with mortars 1 an observer nee ne the shore who sees the target communicates the horizontal end and vertical angle at which to lay the mortar and the instant ol 01 time in which to fire and the gun does the rest resl if you were standing at the center of large clock dial laid fiat flat on the and wanted to hit with a baseball a man walking around on the you would notice how long it tools took the man to get from I 1 to 11 II and again from 11 II to III then vou you would decide whether it if the ball were thrown over a point half way between IV and V just as he arrived appo te IV the man and the ball would reach the same spot at the same time it be ing understood of course that he maintained uniform speed and diorec uon tion and that the ball was thrown with ath proper force instruments give us the range and observations and mechanical devices give us the range differences increase ing or decreasing by certain short tn in of time too short for a any size to escape by attempting to change direction or speed our ob servers bej ver s circle has 36 divisions capt howell in scientific american |