File:PSM V19 D493 Spectral analysis revealing chemical compounds.jpg

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Description Spectral analysis revealing chemical compounds
Date
Source Popular Science Monthly Volume 19
Author Unknown authorUnknown author
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current17:50, 21 August 2010Thumbnail for version as of 17:50, 21 August 20102,081 × 1,269 (183 KB)Ineuw{{Information |Description = Spectral analysis revealing chemical compounds |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_19.djvu/493 |Date = 1881 |Author = Unknown |Permission = {{PD-old}} |other_versions = }} [[Cate

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