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Essen: Krupp Works, 1852
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Steel Works, 1892
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Homestead Strike, 1892 #4
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Homestead Strike, 1892 #14
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Homestead Strike, 1892 #1
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Meunier Steel Mill, 1890
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View Of Factories In Sheffield England, 1879
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Homestead Strike, 1892
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Homestead Strike, 1892 #2
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Wwi Munitions Plant, C1917 #2
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Carnegie Steel Mill, C1905 #1
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Wwi Munitions Plant, C1917
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Steel Ingot On The 'table'
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New York Construction 1908
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