Lammot du Pont's description of the explosion of three DuPont powder wagons in Wilmington, Delaware. This explosion occurred on 31 May 1854. Lammot du Pont's narrative includes a description of the scene just after the accident and possible...
Lammot du Pont's description of the explosion of three DuPont powder wagons in Wilmington, Delaware. This explosion occurred on 31 May 1854. Lammot du Pont's narrative includes a description of the scene just after the accident and possible causes...
Artist's conception of a solar still which may some day permit tapping of oceans or brackish inland sources for additional supplies of fresh water. Salt water flows from pipe in foreground into shallow troughs covered with plastic film canopies,...
Raw cotton, due to the presence of natural waxes and fats, is quite resistant to wetting by ordinary water, but the addition of a small amount of certain chemicals, known as wetting agents, causes the cotton to become wet rapidly. Wetting agents...
In a fundamental research project, a scientist in the Central Research Department at the DuPont Company's Experimental Station, prepares a monomer that will later be used in a polymerization study. One of the components boils at 29 degrees below...
Special bicycle with electrically 'loaded' wheel helps staff members at DuPont's Haskell Laboratory for Toxicology and Industrial Medicine study effects of fatigue on employees. Blood pressure and pulse rate of rider are carried by wires to...
Caption text on photo: "Artist's conception of a solar still which may some day permit tapping of oceans or brackish inland sources for additional supplies of fresh water. Salt water flows from pipe in foreground into shallow troughs covered with...
Sizing is systematic shrinking of the formed hat bodies to proper size. In the Sizing Department of the John B. Stetson Company, Philadelphia, the bodies are repeatedly dipped in hot water, which causes the fur fibres to shrink and knit closely....
