Show s 11 J PRECISION OF ARTILLERY FIRE FiREd EX Exact ct Science Employed In Methods of Modern Modem Gunners How do t bit hit with mortars An f observer vcr ne ne the the h 1 shore re who sees e s. s the target tarol communicates the horizontal and nd vertical angle at which to lay the i mortar and the instant of at time In C which to lo fire and the gun does docs tho the thorest rest If IC YOU were standing at the tho center centeri i ot of large largo clock dial laid fiat flat on the Ground re and wanted to hit with a baseball a man walking around on the ther 1 r e you would notice how long It took the tho man to get from I to I II and again from II to to III then you would decide whether If it the tho ball were r thrown over a point half way between i IV and V Just as be he arrived IV Iv- the tho man and the ball would reach the same spot at tho the same time tIme tIme-It it being be ing understood of ot course that he maintained uniform speed and direction direction tion Ion and that the tho ball was thrown with proper force torce r Instruments give us the range and i observations and mechanical devices t give u us us the range IncreasIng increasing increasing ing or decreasing by certain short intervals in of at time too short for tor a ship of at any ny ny size to escape by attempting to I ech ch ngo direction or speed Our a observers observer's ob oh- servers server's circle has divisions Capt Howell in Scientific American |