File:PSM V39 D753 Blister steel converting furnace.jpg

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Description Blister steel converting furnace
Date
Source http://en.wikisource.org /wiki/Page:Popular_Science_Monthly_Volume_39.djvu/753
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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Date/TimeThumbnailDimensionsUserComment
current18:53, 18 October 2015Thumbnail for version as of 18:53, 18 October 2015679 × 1,463 (97 KB)IneuwCleaned image and improved contrast
21:30, 27 November 2010Thumbnail for version as of 21:30, 27 November 2010683 × 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