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  • Description: weighed
(19 results)



Display: 20

    • Soda mill

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    • Black powder line starts at soda mill, where synthetic nitrate is unloaded, screened and weighed out. Powder man at DuPont Belin Works uses traditional scoop shaped like snow plow to move sodium nitrate to the screen equipment, while more cascades...
    • Roll Mill

    • Mills; Gunpowder;
    • "This was possibly the second rolling mill in America with iron wheels and was built in 1824. The rolling wheels were made of cast iron, and each weighed 14,300 pounds. These were made by Gouverneur Kemble's West Point Foundry at Cold Spring, New...
    • Roll Mill

    • Mills; Gunpowder;
    • "This was possibly the first rolling mill in America using cast-iron wheels, and was built in 1822. The rolling wheels were made of cast iron, and each weighed 14,300 pounds. These were made by Gouverneur Kemble's West Point Foundry at Cold Spring,...
    • Building the pipeline

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    • This scene shows part of the loading of large cartridges of DuPont 60% gelatin dynamite in the Susquehanna River near Marietta, Pennsylvania. The cartridges were five inches in diameter, 24 inches long and weighed 25 pounds each. The illustration...
    • 1937 Bomber

    • Bombers; Airplanes;
    • Text from back of image: "Sometimes called the Super Fortress, this Titan of the air had a wing spread 45 feet greater than the Y1B-17. The XB-15 weighed 13 tons more, was 20 feet longer and three feet higher. Because of its extreme weight (35...
    • Preparing cellophane

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    • Finished rolls of cellophane being removed from slitting machine at the DuPont Company's new Tecumseh, Kansas cellophane plant. Cellophane is manufactured in wide mill rolls which are then slit to the sizes desired by customers. The conveyor in the...
    • Checking the weight

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    • Nylon yarn is checked for weight. Samples of uniform length are taken from bobbins that come from the spinning machines and weighed to check the denier of the yarn, This is one of the steps in the DuPont Company's plants at Seaford, Delaware;...
    • Baseballs are carefully made

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    • Chicopee MA-Spring is here and hard on its heels is the season for baseball, Americas favorite sport. Already the factories that manufacture baseballs are busily turning out a supply to meet the demand. These photographs, made at the A.G. Spalding...
    • Drums of Formaldehyde

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    • Drums of formaldehyde to be used for phenol and urea formaldehyde plants, disinfectants, fungicides, germicides, deodorants and other purposes are loaded and weighed in a single operation at the Perth Amboy NJ plant of DuPont's Electrochemicals...
    • The miro balance

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    • The micro balance, shown here in the Chemical Department's Analytical Laboratory at DuPont's Experimental Station is one of the essential tools of modern chemistry, which demands a high degree of measuring accuracy. The human hair eight inches...
    • West lakefront ore docker

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    • Whiskey Island, Cleveland OH- Photo shows freighter being unloaded at the ore docks. This is done by Clam Shell Buckets. Each bucket will pick up from 12 to 17 tons of ore in one bite. The buckets load is weighed automatically, between 8 million...
    • West lakefront ore docks

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    • Cleveland OH- Photo shows a clam shell bucket filled with ore after it has been drawn from a lake freighter hold and about to transfer to railroad cards. Such a bucket will pick up from 12 to 17 tons of ore in one bite. The buckets load is weighed...

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