Flow of strip steel continues uninterrupted ahead of high frequency electrical induction welder, right center above, in the DuPont Halogen Tin Process. This line installed at the Weirton Steel Company, Weirton, West Virginia, eletrotins 1200 feet...
This 'pay off' loop feeds the line ahead while a fresh coil of steel is being welded to the trailing end of the line of strip to maintain continuous operation of the DuPont Halogen Tin Process. This line installed at the Weirton Steel Company,...
After supervisors and engineers had witnessed the quick, efficient digging of a ditch in Johnson County, Iowa, by DuPont experts, they gave the Go Ahead on a long list of special projects in the area. Some idea of the height (150-180 feet) the muck...
Typed caption: "Note portion of blacksmith shop (the stone building on right). This road enters Hagley Yard partially in the center, Upper Hagley left and Lower Hagley right. The building straight ahead at foot of hill is the Machine and millwright...