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  • Description: semi
(8 results)



Display: 20

    • Saugus Iron Works

    • Forges, Forge hammers, Tilt hammers Wrought iron
    • Saugus Iron Works, Saugus, Massachusetts restoration project. Demonstration of the forge hammer. Three hundred years ago, ironworkers cast iron sows (bars) at the blast furnace. In the forgess finery and chaffery furnaces the sows were heated...
    • Electroplating tanks

    • Electroplating steel using DuPont Halogen Tin Process
    • Electroplating tanks in the Sodium Products service laboratory at DuPont's Electrochemicals Department plant in Niagara Falls, New York. This semi works equipment has been designed to reproduce plant donations on a small scale.
    • Model of Experimental Station

    • Experimental Station
    • Scale model of the DuPont Company's Experimental Station as it will appear when the $30 million expansion program is completed. Construction of the new facilities will enable the company to increase its fundamental long range research activities as...
    • Furniture Designs

    • Metal Furniture Exhibit-Paris
    • This semi circular dressing table was designed by Colette Gueden of Paris and shows the new use of chromium plated metal and mirror glass in modern French furniture. These two mediums allow a charming simplicity in design, which is enhanced by...
    • Puddling Mills

    • Puddling furnaces, Squeezers, Sponge iron, Muck balls, Wrought iron
    • From the Puddling furnace to the squeezer. The ball of near molten steel mixed with slag is ready to be dropped into the sqeezer where most of the slag will be removed. The remaining slag forms thin strands in the semi steel to become wrought iron
    • Puddling Mills

    • Puddling furnaces, Squeezers, Sponge iron, Muck balls
    • From the Puddling furnace to the squeezer. The ball of near molten steel mixed with slag is ready to be dropped into the sqeezer where most of the slag will be removed. The remaining slag forms thin strands in the semi steel to become wrought iron
    • Production of Mylar

    • Research and Testing with Mylar
    • Mylar polyester film is produced in experimental quantities in this semi works unit at the DuPont Company's Film Department Research Laboratory in Buffalo, New York. Finished film is being wound up on roll in center of picture. Full scale...
    • What silicon can do

    • Silicon
    • This picture shows silicon and what researchers expect it to do. The pure element, in the form manufactured by DuPont, is below the ruler. Before it can be used it must be melted down to a solid mass, as at lower left and traces of other elements...

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