Show OFFICERS SEE NEW U S. S S GUN OUN SIGHT ITSELF Latest War Tar Instrument of Destruction Shown in Action WEAPON EX EXHIBIT HIBIT Sixteen Inch Piece Fires Once a Minute 30 Miles ABERDEEN PR PROVING V NO GROUND i Md Oct 6 By By The Associated Press An An anti-aircraft anti gun gwi which automatically sights targets t in the theair theair theair air js s a 0 type of weapon members mem ers of the army ordnance association will willbe willbe willbe be called upon to manufacture and operate if war should come again gain The gun pun is 15 controlled by a sen sen- sensitive sensitive Instrument which detects the position of a I moving airplane by sound waves wares At night a similar Instrument is attached to a huge hube searchlight which throws its beams directly upon the airplane simultaneously simultaneously with the discharge of the gun This weapon is 15 one of the new developments In fighting equipment on exhibition today to those attend attend- attending attending attending ing the ninth annual convention of the Army Ordnance association here PREPAREDNESS ESS URGED The membership comprises active and reserve officers manufacturers and citizens pledged to industrial preparedness for war as the nations nation's strongest guarantee of peace Benedict Crowell Crowd of Clev eland Cleveland eland Is president The front line of the Aberdeen proving ground was in action today Fighting equipment far more pow pow- powerful powerful powerful erful and destructive than that used In n the World war war churned the wa wa- waters watus wa- wa waters of Chesapeake bay or made lit literal lit lit- literal literal eral valleys in the earth on the reservation with their deadly pro pro- SPECTACULAR EXHIBIT lT Dwight F. F F Davis secretary of war other cabinet members and a group of high ranking officers of the army and navy na have ha sponsored the exhibit the most spectacular held since the war army experts say Another new development is 15 a Inch 18 gun designed for coastal defense The maximum range with witha a charge of pounds of powder Is over 30 miles It maintains a arate arate arate rate of fire of one round a minute and Is 15 carried on a a. standard mount |