Show The Record of Philadelphia says that tests of the new segmental gun at Sandyhook are to be made shortly The weapon Is made up of a core of tempered tem-pered steel segments around which are rolled about seventyfive miles of steel wire with a thin steel Jacket outside Upon this basis will be furnished a ten inch gun with which the heaviest armor now supplied to war ships can be pierced I is expected that It will renew the loncrstandlntr controversy between Impregnable armor and Irresistible Irre-sistible means of attack I the Brown gun fulfills expectations It will bo necessary ne-cessary to reform all existing theories of naval attack and defense |