File:PSM V50 D368 Sulphur furnace.jpg

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Description Sulphur furnace
Date
Source Popular Science Monthly Volume 50
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 grayscale, cropped whitespace. Modifications made by Ineuw. The original can be found here: Popular Science Monthly Volume 50.

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current01:59, 18 April 2011Thumbnail for version as of 01:59, 18 April 2011992 × 1,655 (276 KB)Ineuw (talk | contribs){{Information |Description = Sulphur furnace |Source = [http://www.archive.org/details/popularsciencemo50newy Popular Science Monthly Volume 50] |Date = 1896 |Author = Unknown |Permission = {{PD-old}} |other_versions

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