File:NIE 1905 Iron and Steel - open-hearth furnace.jpg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:29, 25 April 2017 | 2,340 × 1,453 (666 KB) | Bob Burkhardt | {{Information |Description ={{en|1=Photograph of a 40-ton open-hearth furnace at the Homestead Steel Works of the Carnegie Steel Company.}} |Source =''The New International Encyclopædia'', v. 10, 1905, facing p. 780. |Author =unknow... |
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