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Subject Blast furnaces Remove constraint Subject: Blast furnaces

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    • 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

    Two views of the Royster stoves used for the No. 2 experimental blast furnace at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. According to notations accompanying…

    • 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;…

    • 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-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…

    • 1930-Mar-21

    General view of Travis Hignett (left) and Mr. Royster (right) reading the temperature inside the experimental blast furnace at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in…

    • 1930-Mar-21

    General view of the control panel for the experimental blast furnace at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. The individual visible in the photograph is…

    • 1930-Mar-21

    Travis P. Hignett demonstrating use of the blowing engines for the experimental blast furnace at the U.S. Department of Agriculture's Fixed Nitrogen Research Laboratory located in Washington, D.C. A blowing engine is a…