File:PSM V19 D492 Spectral analysis of various materials.jpg

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Description Spectral analysis of various materials
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Source Popular Science Monthly Volume 19
Author Unknown authorUnknown author
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current17:49, 21 August 2010Thumbnail for version as of 17:49, 21 August 20102,752 × 892 (138 KB)Ineuw (talk | contribs){{Information |Description = Spectral analysis of various materials |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_19.djvu/492 |Date = 1881 |Author = Unknown |Permission = {{PD-old}} |other_versions = }} [[Category:Pop

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