File:PSM V14 D023 Blue and yellow shadows viewed through a tube.jpg

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Description Blue and yellow shadows viewed through a tube
Date between 1878 and 1879
date QS:P,+1878-00-00T00:00:00Z/8,P1319,+1878-00-00T00:00:00Z/9,P1326,+1879-00-00T00:00:00Z/9
Source Popular Science Monthly Volume 14
Author Unknown authorUnknown author
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current15:05, 5 August 2010Thumbnail for version as of 15:05, 5 August 2010725 × 643 (73 KB)Ineuw{{Information |Description = Blue and yellow shadows viewed through a tube |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_14.djvu/23 |Date = 1878-1879 |Author = Unknown |Permission = {{PD-old}} |other_versions = }} [[Ca

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