File:PSM V23 D489 Transverse section of burning lignite.jpg

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Description Transverse section of burning lignite
Date
Source Popular Science Monthly Volume 23
Author Unknown authorUnknown author
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current03:37, 17 September 2014Thumbnail for version as of 03:37, 17 September 20141,536 × 773 (65 KB)Ineuw (talk | contribs)Cleaned image and improved contrast
16:08, 30 August 2010Thumbnail for version as of 16:08, 30 August 20101,512 × 770 (50 KB)Ineuw (talk | contribs){{Information |Description = Transverse section of burning lignite |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_23.djvu/489 |Date = 1883 |Author = Unknown |Permission = {{PD-old}} |other_versions = }} [[Category:Popu

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