File:PSM V39 D757 Cross section of a siemens furnace for melting steel in pots.jpg

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Description Cross section of a Siemens furnace for melting steel in pots
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Source http://en.wikisource.org /wiki/Page:Popular_Science_Monthly_Volume_39.djvu/757
Author Unknown authorUnknown author
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Extracted image from book, to greyscale, cropped whitespace. The original can be viewed here: Popular Science Monthly Volume 39.djvu. Modifications made by Ineuw.

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current21:31, 27 November 2010Thumbnail for version as of 21:31, 27 November 20101,747 × 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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