File:PSM V39 D757 Cross section of a siemens furnace for melting steel in pots.jpg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:31, 27 November 2010 | 1,747 × 1,294 (711 KB) | Ineuw | {{Information |Description = Cross section of a Diemens furnace for melting steel in pots |Source = http://en.wikisource.org /wiki/Page:Popular_Science_Monthly_Volume_39.djvu/757 |Date = 1891 |Author = Unknown |Permission |
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