Throughout the 19th century, the shipbuilding industry in America was both art and craft, one based on tradition, instinct, hand tools, and handmade ship models. Even as mechanization was introduced, the trade supported a system of apprenticeship, master builders, and family dynasties, and aesthetics remained the basis for design. Spanning the transition from wood to iron shipbuilding in America, Thiesen s history tells how practical and nontheoretical methods of shipbuilding began to be discarded by the 1880s in favor of technical and scientific methods. Perceiving that British warships were superior to its own, the United States Navy set out to adopt British design principles and methods. American shipbuilders wanted only to build better warships, but embracing British practices exposed them to new methods and technologies that aided in the transformation of American shipbuilding into an engineering-based industry. American shipbuilders soon improvised ways to turn U.S. shipyards int