Category:Open hearth furnaces in the United States

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This category has only the following subcategory.

Media in category "Open hearth furnaces in the United States"

The following 9 files are in this category, out of 9 total.

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  Industries of War - Machinery - Miscellaneous - Manufacturing Steel Products at the Homestead Works, Munhall, Pennsylvania, of the Carnegie Steel Company. The Open Hearth Department filling ingot moulds at open h(...) - NARA - 45486067.jpg 9,182 × 6,302; 19.49 MB
  
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  Industries of War - Machinery - Miscellaneous - Steel Manufactured by Carnegie Steel Company, Pittsburgh. Tapping 60 ton heat at open hearth furnace into ladle - NARA - 45486081.jpg 9,182 × 6,302; 19.87 MB
  
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  Industries of War - Metals - Steel - Lackawanna Steel Company - Cast from open hearth furnace - NARA - 45487576.jpg 9,182 × 6,302; 18.54 MB
  
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  Industries of War - Metals - Steel - Lackawanna Steel Company - View showing pouring side of furnace with open hearth No.1 - NARA - 45487686.jpg 9,182 × 6,302; 19.76 MB
  
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  Industries of War - Metals - Steel - Lackawanna Steel Company - View showing pouring side of open hearth furnace at No.2, Open Hearth Plant - NARA - 45487706.jpg 9,182 × 6,302; 18.81 MB
  
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  Industries of War - Metals - Steel Continued - Charging open hearth furnace in plant of the Canton Sheet Steel Company. Canton, Ohio - NARA - 45488112.jpg 9,182 × 6,302; 23.92 MB
  
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  NIE 1905 Iron and Steel - open-hearth furnace.jpg 2,340 × 1,453; 666 KB
  
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  Photograph of a Vat of Molten Pig Iron Being Poured into a Open Hearth Furnace at the Jones and Laughlin Steel Company, Pittsburgh, Pennsy - NARA - 535922.jpg 3,000 × 2,463; 1.51 MB
  
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  Photograph of a Vat of Molten Pig Iron Being Poured into an Open Hearth Furnace at the Jones and Laughlin Steel Company, Pittsburgh, Pennsy - NARA - 535922 (high contrast).jpg 1,370 × 1,119; 173 KB