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Subject Furnaces Remove constraint Subject: Furnaces

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    • circa 1905

    Close-up view of the assay and combustion furnaces in the laboratory back room at the Dearborn Drug and Chemical Works (later Dearborn Chemical Company) 35th Street laboratory facilities located in Chicago, Illinois.…

    • Exterior view of the Furnaces
    • 1911-Oct-25

    Exterior view of the furnaces at the American Vanadium Company (later the Vanadium Corporation of America) mining camp located at Mina Ragra in the Peruvian Andes. Vanadium, a malleable transition metal, was discovered…

    • after 1905 – before 1920

    General view of a furnace used to smelt ore at the American Vanadium Company (later the Vanadium Corporation of America) plant facilities in Bridgeville, Pennsylvania. The Bridgeville chemical and metallurgical plant…

    • 1957-Oct-02

    General view of Wayne Doehring placing a glass polymerizer into the annealing furnace in the Dow Chemical Company's Glass Fabrication department. Founded in 1925, the department was responsible for the fabrication and…

    • 1930s

    Two views of the experimental blast furnace on a burden (a load, especially a heavy one) of phosphate at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory plant.

    The Fixed Nitrogen Research…

    • 1930s

    Three views of the experimental blast furnace on a burden (a load, especially a heavy one) of phosphate at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory plant.

    The Fixed Nitrogen Research…

    • 1932-Oct-12

    General view of workers opening the cinder-notch on the No. 2 experimental blast furnace on a burden (a load, especially a heavy one) of phosphate at the U.S. Department of Agriculture's Fixed Nitrogen Research…

    • 1930s

    General view of an experimental blast furnace at a U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory plant. The Fixed Nitrogen Research Laboratory (F.N.R.L.) was established at American University in…

    • 1934-Jan

    General view of the blowing out process for the experimental blast furnace at a Fixed Nitrogen Research Laboratory facility. The process of blowing out, also known as "raking out," is undertaken when production from a…

    • 1932-Oct-12

    Two views of the No. 2 experimental blast furnace on a burden (a load, especially a heavy one) of phosphate at a U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory plant.

    The Fixed Nitrogen Research…

    • 1934-Apr-05

    Assorted views of the Fixed Nitrogen Research Laboratory's experimental blast furnace plant during a Tennessee Valley Authority (T.V.A.) operation.

    The Fixed Nitrogen Research Laboratory (F.N.R.L.) was established at…

    • 1934-Apr-05

    General view of employees observing the temperature inside the Royster stoves at the Fixed Nitrogen Research Laboratory's experimental blast furnace plant during a Tennessee Valley Authority (T.V.A.) operation.

    The…

    • 1932-Oct-12

    General view of a worker emptying the slag ladle on the No. 2 experimental blast furnace on a burden (a load, especially a heavy one) of phosphate at the U.S. Department of Agriculture's Fixed Nitrogen Research…

    • 1933-Jun-23

    Four views of the hearth and crucible of the No. 2 experimental blast furnace at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. The photographs show the hearth and…

    • 1932-Oct-12

    General view of the flushing of the No. 2 experimental blast furnace at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C.

    The Fixed Nitrogen Research Laboratory…

    • 1932-Oct-12

    General view of workers opening the cinder-notch on the No. 2 experimental blast furnace on a burden (a load, especially a heavy one) of phosphate at the U.S. Department of Agriculture's Fixed Nitrogen Research…

    • 1932-Oct-12

    General view of the No. 2 experimental blast furnace on a burden (a load, especially a heavy one) of phosphate at a U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory plant.

    The Fixed Nitrogen Research…

    • 1932-Jan-19

    General view of the carbon tube precipitator and spray tower for the experimental blast furnace at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C.

    The Fixed Nitrogen…

    • 1932-Jan-19

    General view of the superstructure of the No. 2 experimental blast furnace, as seen from the platform of the No. 1 precipitator at a U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory plant.

    The Fixed…

    • 1932-Jan-19

    Two views of the No. 2 experimental blast furnace at a U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory plant. The individuals visible in the first photograph are identified (left to right) as Reilly;…

    • 1932-Jan-19

    Two views of the No. 2 furnace and stock piles at a U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory plant. The stock piles likely contained a mix of raw material, including greensand, leucite, coke,…

    • 1930-Mar-21

    Three views of Mr. Royster (left) and Travis Hignett (right) tapping slag from the experimental blast furnace at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. Mr.…

    • 1930-May-28

    Two views of the construction of the phosphoric acid furnace at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. This furnace was used to make phosphoric acid through…

    • 1930-Mar-21

    Assorted views of slag being tapped from the experimental blast furnace at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. The individuals visible in the photographs…