This diagram shows a typical surface cross section as it might appear, magnified many thousands of times, under an electron microscope. The surface might be that of a fiber, or of a painted wall, or even wall paper. In Line No. 1, rough soil...
Planned work means easier work in home or plant. Methods engineers' studies of the job of Charley Chrustowski, DuPont Chambers Works inspector, eliminated 70% of the motions he used to employ in drum labeling. Stretching, turning and walking were...
Caption: "The Model shown in the picture shows the nature of the coal seems and the various methods used in mining them. The model is part of the Pennsylvania State Mining Exhibit."
Table of Contents: Advertising World Reconstruction; The Part of Paint in Winning the War; Man and his Miseries; Land for Returning Soldiers; Dynamite Overcomes Huge Engineering Difficulties; Carrying Munitions to Perry and Pershing; Refinishing...
Table of Contents: Our oldest active customer, Uncle Sam; Use of dynamite in drainage projects; Pyralin's unique use in the movies; Ancient, medieval and modern finishes; Quarrying stone by mining methods; Baby carriages, human and otherwise;...
Table of Contents: Duplate, a new improved non-shatterable glass; Modern methods of quarrying Indiana Oolitic limestone; Fabrikoid modernized for artist decorators; More hydroelectric power for North Carolina; Draining muck land; Better ventilation...
Table of Contents: Research activities; Kentucky's black rock; A classic of the air; Parlor, bedroom, and bath; Books and looks; The Tontine shade roller; Gypsum in the Empire State; What of the years to come; Cellophane in the home; Evolution of...
Housing developments; Architects; Specifications; Building construction;
Specifications for six homes in the Westover Hills neighborhood in Wilmington, Delaware. Specifications include information on materials and methods of construction for six different homes.
Aim ray at absenteeism: "Industrial Ultraviolet Ray Solarium", aimed at reducing absenteeism in war plants, is official name for the merry-go-round system of artificial sunlight irradiation (above) introduced by the Hanovia Chemical & Mfg. Co.,...
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...
Due to the extreme care used from the picking of the fruit to the final packing and sealing, the product cannot and does not compete with the imported article primarilt hadndled by oriental methods but the American public shows it is willing to pay...
Text from image: "Give Us Your Criticism -- How can we improve our methods? Is there a better way? Is there a short cut or a saving that you can suggest? We always welcome constructive criticism. Give Us the Benefit of Your Experience"
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...
Butacite' polyvinyl butyral resin is used as inner layer of safety glass. Sheeting manufactured from this resin is of excellent clarity and color and is particularly resistant to the deteriorating influences of prolonged exposure to heat, light and...
This is another view of the manufacture of continuous sheeting of Butacite polyvinyl acetal resin, which is used as interlayer in modern laminated safety glass. As it passes onto a wind up roll, as shown in this picture, its unusual flexibility is...
Bleaching of fabrics at DuPont's Electrochemicals Sales Service Laboratory at Chestnut Run. Here, results of a launderometer accelerated washing test are being checked. Bottles are preheated in rack at right. Bleach and textile samples are added...
Quilon chrome complex, a chemical that makes materials water repellent, was developed in DuPont's Industrial and Biochemicals Department. It greatly increase the wet strength of paper and is also widely used in treating felt hats, shoe leather and...
