...were used in the battle with the fleet, were wholly insufficient, both in weight of metal and number. The heaviest of the guns in Walker were two columbiads, 10-inch and 8-inch, and a 9-inch rifled Dahlgren . The rest of the thirteen were 42, 32 and 24 pounders. Of the seven guns in Beauregard, one was a 10-inch columbiad, and one a 24-pounder, rifled. The rest were 42 and 32 pounders; one of the ...