Results for "YouTube (Electronic resource)"

1. 

   Wrought-iron Smelting

   • Date: 1880 1880s
   • Creator: Unknown

2.  
3. 

   Iron Ore -- Rogersfield Mine (Chateaugay Iron Mines)

   • Date: 1880 1880s
   • Creator: Unknown

4.  
5. 

   Spelter Smelting at Passaic Zinc Company

   • Date: 1880 1880s
   • Creator: Unknown

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7. 

   Spelter Smelting at Passaic Zinc Company

   • Date: 1880 1880s
   • Creator: Unknown

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9. 

   Ellangowan Colliery, Shenandoah, Schuylkill County, Pennsylvania

   • Date: 1884

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11. 

    Picking Slate and Bony Coal

    • Date: 1884
    • Creator: Bretz, George M. 1842-1895

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13. 

    Pig-iron Smelting

    • Date: 1880 1880s
    • Creator: Unknown

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15. 

    Shenandoah City Colliery, Shenandoah, Schuylkill County, Pennsylvania

    • Date: 1884

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17. 

    A Mule Trip at Long Valley Mine, Barclay, Bradford County, Pennsylvania

    • Date: 1884

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19. 

    Engine House, Pottsville, Pennsylvania

    • Date: 1884
    • Creator: Bretz, George M. 1842-1895

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21. 

    Group of Miners at Long Valley Mine, Barclay, Bradford County, Pennsylvania

    • Date: 1884

22.  
23. 

    Diagram of Bessemer Steelmaking Process

    • Date: 1880 1880s
    • Creator: United States National Museum Photographic Laboratory

24.  

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