. . . . . "USS Allegheny (1847) \u2014 the first United States Navy ship to be so named \u2014 was a large () iron-hulled steamer that served as an American gunboat in the South Atlantic Ocean as well as in the European area. When the American Civil War occurred, Allegheny served the Union cause honorably, doing her part by supporting the Union Navy \u2014 because of her large size and operational condition \u2014 as a receiving ship."@en . . . "USS Allegheny (1847) \u2014 the first United States Navy ship to be so named \u2014 was a large () iron-hulled steamer that served as an American gunboat in the South Atlantic Ocean as well as in the European area. When the American Civil War occurred, Allegheny served the Union cause honorably, doing her part by supporting the Union Navy \u2014 because of her large size and operational condition \u2014 as a receiving ship. Allegheny was somewhat different from other gunboats of the time as she was propelled by two eight-bladed horizontal wheels invented by Lieutenant William W. Hunter. Eventually this design proved impractical, and Allegheny was rebuilt as a conventional screw steamer."@en . "USS Allegheny (1847)"@en . . . . . . . . . . . . "--02-22"^^ .