NAVAL GUNS OF ! IITMES Had a Range of 30 Miles and Fired a 1400-Pound Projectile. NEW YORK, Dec. 5. America'i famous "land battery of fifty calibre 14.5-inch naval guns, which played jo , important part in the German defeat, j , was described for the first time in de-' de-' tail last night by Lieutenant Com- ) mander D. C. Buell of tho naval reserve re-serve at the annual meeting here of the American Society of Mechanical j Engineers. ; The seven guns of the battery, he said, were built in 1917 for use on battleships. bat-tleships. They fired a 1,400-pound ,; projectile at a muzzle velocity of 2.SO0 ; feet per second and had an extreme j, range of nearly thirty miles. j. Tho project of putting them on j. movable railway carriages for use in France, he said, was first conceived !j; in the spring of 1918. The first mount f was completed at the Baldwin Loco- ,f motive works twenty days ahead ol ;( schedule. Tho guns were shipped from Philadelphia. -,l Lieutenant Commander Buell said , the trains were sent to the front and v the first shot fired on September 5th. -The guns, which had the longest ranse of any ever mounted on a movable carriage, were so successful in mobility mobili-ty and accuracy that six more were ordered. The armistice was signed. -however, before- they were delivered. The crews were recruited from the Great Lakes naval station and were , made up of men all of whom had rail' ,i way experience. '