Extruder press forming rods of Pyralin cellulose nitrate plastic at the Arlington, New Jersey plant. Pyralin is supplied fabricators in the form of sheets, rods and tubes.
Caption text with photo: "Extruder press forming rods of 'Pyralin' cellulose nitrate plastic at the Arlington, New Jersey, plant of E.I. du Pont de Nemours & Company. 'Pyralin' is supplied [by] fabricators in the form of sheets, rods, and tubes."
The Arlington Works of the DuPont Viscoloid Company at Arlington, New Jersey. Here great quantities of Pyralin sheeting, rods and tubes and thousands of sets of toilet ware are produced.
From a boiling bath of hot sulfuric acid, a laboratory technician lifts two rods of plastic. One has charred and deteriorated. The other-a rod of DuPont's new Teflon tetrafluoroethylene resin-is not affected at all by the highly corrosive hot acid....
From a boiling bath of hot sulfuric acid, a laboratory technician lifts two rods of plastic. One has charred and deteriorated. The other-a rod of DuPont's Teflon tetrafluoroethylene resin-is not affected at all by the highly corrosive hot acid....
Porcelain pots, glass rods and textile yarns in a dye bath--equipment used at the Technical Laboratory of DuPont, where dyestuffs are tested each day for quality and uniformity of color.
Caption on photo: "Chute-a-Caron, Dam for the Alcoa Power Co., Saguenay River, Canada, 1930." Typed caption reads: "Current of stream too swift to permit construction of coffer dam. Dam was built vertically into air then supporting rods were blown...
Caption on photo: "Chute-a-Caron, Dam for the Alcoa Power Co., Saguenay River, Canada, 1930." Typed caption reads: "Current of stream too swift to permit construction of coffer dam. Dam was built vertically into air then supporting rods were blown...
Caption on photo: "Chute-a-Caron, Dam for the Alcoa Power Co., Saguenay River, Canada, 1930." Typed caption reads: "Current of stream too swift to permit construction of coffer dam. Dam was built vertically into air then supporting rods were blown...
Chemically Inert Plastic.
Caption text on photo: "From a boiling bath of hot sulfuric acid, a laboratory technician lifts two rods of plastic. One has charred and deteriorated. The other – a rod of DuPont's 'Teflon' tetrafluoroethylene resin...
