Show PRECISION OF ARTILLERY FIRE exact science employed in method of modern gunners how do t hit with mortars 7 an observer ne the shore who sees the target communicates the horizontal 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 it you were standing at the center 0 a large clock dial laid flat on the baund and wanted to bit with a baseball a man walking around on the rut sli you would notice how long it took the man to get from I 1 to II 11 and again from II 11 to III then you would decide whether if the ball were thrown over a point halt way between IV and V just a he arrived opposite IV the man and the ball would rach the same spot at the game time it be ing understood of course that he maintained uniform speed and diree alon and that the ball was thrown with proper force instruments give us the range and observations and mechanical devices glye us the range differences increase ing or decreasing by certain short in of time too short for a ship 0 any size to escape by attempting to change direction or speed our observer s circle has 36 divisions capt howell in scientific american |