DuPont's Sodium Hydride Process for Descaling Metals
Developed especially for the purpose and backed by continuous mill experience since 1941, the DuPont Sodium Hydride Descaling Process is essentially a chemically activated fused caustic soda cleaning bath. Advantages over conventional pickling and...
Crucible steel plant at a unknown location. Either pulling a hot crucible from the heating furnace or placing a crucible loaded with a charge into the pit
A dye worker at DuPont's Chambers Works is shown placing dye cake in trays for drying, after the cake has been removed from a filter press. After grinding, testing and standardizing, the product is ready for shipping.
In placing letters in four office filing cabinet drawers, the energy output of this office worker as recorded on the Lauru Platform, was nearly twice that of a housewife ironing a shirt.
Placing special stopper in carboy of formic acid to prevent escape of the liquid at the Grasselli plant of E.I. du Pont Nemours & Company in Philadelphia, PA. The stoppers are porous and thereby relieve any built-up pressure.
Written on back: "commemoration of 100th anniversary of Lukens Steel Co., July 2, 1910 at Coatesville, Pa. site, placing memorial tablet near Chemical Laboratory. Flag unfurled by Charles Lukens Huston, Jr._then 4 yrs, 43 days old. *Left to Right:...
Text from back of image: "Col. Charles A. Lindbergh placing a wreath on the tomb of the Unknown Soldier in Arlington National Cemetery, today June 12."
Text from back of image: "Col. Charles A. Lindbergh placing a wreath on the tomb of the Unknown Soldier in Arlington National Cemetery, today June 12."
Handwritten on page: "Perfection Operating Table: this new type of table permits nurse, without changing her position, to place the table at any angle the surgeon might suggest. This is accomplished by placing all the controls at head of table."
