A protective tube of Lucite methyl methacrylate resin inserted between the glass metering tube and the metal case of rotameter used in devices for producing penicillin protects the metering tube from external blows and is positive guard against...
on front of card: "Posey Tube, Connecting Oakland and Alameda, California. Oakland Chamber of Commerce Photo." on back of card: "The George A. Posey Tube is the largest pre-cast sub aqueous vehicular tube in the world, passing under the...
To determine the degree of gloss in a lacquer or finish, du Pont chemists use a device that measures the amount of light reflected. The light from a constant source is thrown back from the panel into the telescope tube. One half of the 'eyepiece'...
The flame of an acetylene torch is shot through a tube of TD nickel, a new alloy, in a demonstration of the metal's stability at high temperatures. The new metal, produced at the DuPont Metals Center in Baltimore, is designed for use in space...
Dynamite is shoveled into the hopper of a gelatin cartridge machine which packs the explosive into a heavy paper tube, closes the tube ends, and ejects the finished cartridge at the Repauno, New Jersey plant of the DuPont Company.
Hendrick writes to the Ohio branch of the company to request a catalogue because he has not yet received one. Hendrick saw their water tube boiler in the Automobile Topics and is interested in purchasing it to put in the steam carriage he already...
Written on back of image: "Large experimental filament crimper saddles. Built 1-2, 1952. Photographed March 17, 1952. 1. Saddle nearest rule: This is the first one piece bottom saddle I designed. It is stainless, has edge plates to keep the...
Air pilots; Postal service; Transport planes; Air mail service;
Text from back of image: "The sorting of air mail while en route in the plane just as is done on railway mail cars, is predicted as a necessary time-saver in the future transportation of mail in the flying post offices of the future. The mail will...
Periodicals; Chemical industry; Paint industry; Plastics industry; Agriculture; Pest control; Air conditioning industry; Textile industry;
Table of Contents: The steel test tube; DuPont's new blowing agent; The aristocrat of the silica family; Plastics at home; An uncommon carrier; The gardener's one-two punch; New prints from old; Rolling billboards; Report on our 150th year;...
Table of Contents: Nylon tells a story; Soldiers and cigarettes; Government house, Nassau; Portland cement; Salt, science, service; Art in advertising; Footnote to sulfanilamide; Test tube perfumes; Fall, the ideal time to paint.
