Machining-further transforms the propeller so that by the time its ready to ship it weighs 22,000 pounds. Tolerances must be infinitely close in width and pitch. It must also go through a fine balancing operation. Cramp Brass craftsmen check also...
Table of Contents: DuPont products win honors; Behind the plate glass front; Puncturing a lake from below; Pyralin scores again; At the radio show; Around the world went Duco; From chew sticks to toothbrushes; We must have lump coal; Wanted, seats...
Table of Contents: At the New York World's Fair; On cushioned air; Ceramic saga; Growing plants must eat; Engineered to control light; Constructing Pennsylvania's super-highway; Combs by the million; Color finishes for trucks; DuPont Nylon steps...
Includes articles: Mr. Morse Discusses Wages And Conditions; Must Produce More, Says Mr. Morse; Japanese Choose Our Yard; Minstrels Guests of the Association; To Elect Association Officers Next Month; It Hadda Be Done (about the achievements of the...
Inter-stellar space must be a heavenly sight to pilots of flying saucers who see girls as lovely as Virginia Lee, shown above in a composite of scenes from Raphael G. Wolff's film "The Magic Key"…a dramtic film concerning free enterprise and the...
This photograph which is the most remarkable marine picture ever made stands alone in a class by itself. It shows a condition at sea never before pictured by the camera. That the crew of the sinking vessel ever escaped at all is as remarkable as...
A typical group of Reading anthracite miners waiting to go on duty at the Alaska Colliery of the Philadelphia and Reading Coal and Iron Company near Mount Caramel PA. Most of them are of the second and third generation of miners in PAs anthracite...
Before bauxite can become the metal aluminum, the alumina must be removed from it. A step in the wet chemical process for obtaining alumina (aluminum oxide) is shown here. Impurities are being removed from the solution containing the bauxite. In...
Miss Jean O'Neil, a fair New York motorist, is momentarily arrested by a sign displayed by a gas station in New York. New York service stations claim that nearly 30 cents of every dollar taken in for gasoline must be handed over to the tax...
Television industry; Product inspections; Testing;
A Kinescope tube, on which the image is reproduced in a television receiver, undergoes one of the many tests it must pass before leaving the RCA Victor television factory.
While it would be possible to fly the Lockheed Constellation across the country non-stop in less than 9 hours, in actual scheduled service-allowing for one stop-it coud carry this group from Los Angeles to New York in less than 10 hours. This...
Because electrical sparks must be able to jump 200 times a second through the contact point of an automobile voltage regulator, this tiny part is platinum tipped. The platinum, at $1,334 a pound, makes the part one of the most expensive, ounce for...
This afternoon for the first time Paris spoke to New York on the telephone when the service was opened at the office of the Minister of Commerce M. Bokanowski. He spoke to America at 3 pm this afternoon also did General Pershing and others. The...
Text from image: "Are You Afraid of Criticism? Some workers are so easily offended, that to criticise their work -- Means Trouble. Therefore nobody criticises, nobody suggests, nobody helps them, and so they never progress. Everybody must learn...
Correspondence regarding the last ship (Superior) sailing from Londonderry to Philadelphia leaving in the fall of 1853. Letter ends with: "They must either come via Liverpool or not at all."
Correspondence; Gunpowder; Government contracts; Ordnance industry;
Mason reports that he has a need for rifle powder and asks the Du Pont Company on what terms they could manufacture the gunpowder. He informs the Du Pont Company that he must also ask other manufacturers for their contract terms.
Berry reports that he must give up his agency for the sale of DuPont powder due to considerations for his family. Berry reports that William Wilson, Jr. will glady accept the DuPont agency.
Taken from New York Herald, U.S. Merchant Marine Supplement; Text from image: "A Nation Must Control its Overseas Commerce -- No nation can be really great that does not control its overseas commerce. The upbuilding and operation of ships are...
Bobbins of twisted yarn are checked on creel preparatory to winding on beam for weaving. Each individual strand, called an end, must be wound with meticulous care to insure steady feed in high speed weaving operation. Machine at DuPont's...
A 100 foot control room at DuPont's Belle Works, near Charleston, West Virginia, enables operators to handle production equipment of nylon intermediate from central location. The product must be processed under speeds, temperatures, pressures and...
