National Geographic : 1942 May
As 2,000 Ships Are Born 569 From Manufacturers Record The Stern of a Ship Is Swung and Welded in Place as a Unit This shipbuilding corporation in the deep South has developed a ship assembly plant. To smaller firms it farms out contracts for making different parts. These it moves whole to its yards for assembly and erection. The company employs multiple-operator welding machines which greatly speed up its output.