File:PSM V39 D753 Blister steel converting furnace.jpg
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![File:PSM V39 D753 Blister steel converting furnace.jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/e/e1/PSM_V39_D753_Blister_steel_converting_furnace.jpg/278px-PSM_V39_D753_Blister_steel_converting_furnace.jpg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:53, 18 October 2015 | ![]() | 679 × 1,463 (97 KB) | Ineuw | Cleaned image and improved contrast |
21:30, 27 November 2010 | ![]() | 683 × 1,457 (136 KB) | Ineuw | {{Information |Description = Blister steel converting furnace |Source = http://en.wikisource.org /wiki/Page:Popular_Science_Monthly_Volume_39.djvu/753 |Date = 1891 |Author = Unknown |Permission = {{PD-old}} |other_ve |