200 feet to the right of Squash Spring is Bert Paup's spring with roof where he gets his water. Various other springs are on his and adjacent properties in the area. Water from the springs form a brook, which becomes the Eastern Brandywine River...
A 40" centrifuge is used to separate crude adipic acid crystals from diamine sulphate and other liquid components from waste nylon. This is a scene in the new Nylon Reclamation Unit in the DuPont nylon plant at Seaford, Delaware.
A ball grinding machine used for grinding pigments for inks. The pigment is placed in the jar with the stainless steel balls and the jar is then clamped in the machine and revolved for a number of hours to obtain a fine grinding. The ball grinding...
A battery of compressor at the DuPont Companys Belle WV Works where ammonia and other products are made by high pressure synthesis. These products include intermediates for nylon; urea for fertilizers, cattle feeds, medicinals, adhesives and...
A chemical test at the DuPont Company's Eastern Laboratory in Gibbstown New Jersey determines moisture content in dynamite ingredients. Here a chemist boils a sample with carbon tetrachloride and measures the amount of water. At Eastern Laboratory,...
A chemist observes progress of a distillation operation at the Experimental Station. When cooled with liquid air, many gases are converted to liquids which are then distilled in this low temperature still, like water or other ordinary liquids.
A compressor at the DuPont Companys Belle WV Works where ammonia and other products are made by high pressure synthesis. These products include intermediates for nylon; urea for fertilizers, cattle feeds, medicinals, adhesives and plastics; and...
A flyer block of nylon, used in textile machinery, travels as fast as 15,000 revolutions per minute without lubrication. Attached to a spindle in the spinning operation, the flyer clock holds wires which provide necessary tension to the yarn. The...
A gallery of contrasts-striking photos illustrates the wide difference between primitive methods and modern. Women harvesting wheat near Orvieto in Italy one of them using a cycle the other gathering up and binding the sheaves. This method is in...
A modern printing press in the DuPont Film Department's sales development and technical service laboratory at Chestnut Run near Wilmington, Delaware permits investigation of problems in the high speed printing of Mylar polyester film, cellophane...
A Navy Curtiss Helldiver is snapped against the background provided by its carrier as it returns from a strike at Jap shipping. Far below other planes are being spted on the flight deck to which the SB2C will soon return.
A new shampoo ingredient is inserted in rabbit's eye. Careful examination showed no harmful effects to the animal's eye, thus showing ingredients harmless to human eyes. After numerous other tests the compound got approval of DuPont research staff...
A new understanding of how metals wear under friction and how to reduce this problem, may come from fundamental research being carried out at DuPont's Experimental Station, one of the largest centers of research in the world. It spreads over 95...
A physicist in DuPont's Central Research Department measures the magnetic properties of new class of antimonides discovered in a fundamental research program- chromium manganese antimonides, a new material with unique on and off magnetic...
A square meal in 1943 style. The young lady is about to remove the cellophane wrapper from a double portion of mashed potatoes. In their present form they are dehydrated and compressed. Soaking for a few seconds in water makes them swell to many...
A step in the manufacture of Butacite polyvinyl butyral resin, which is used as the inner layer of laminated safety glass for automobiles. Here Butacite is being cut to widths ordered by the customer to fit his requirements for windshields and...
A view of the hydrogen peroxide manufacturing unit at the Memphis TN plant of the DuPont Company's Electrochemicals Department. The finished product is a colorless clear liquid with a slightly pungent odor. It is widely used in bleaching textiles,...
Aerial view of the benzol plant at the Bell, WV Workd of the DuPont Company. Benzol is one of the materials used here in the manufactyre of nylon intermediates for the nylon yarn and plastics produced at other DuPont plants. At the left are...
