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File:PSM V28 D191 Light wave divergence traveling through different focal points.jpg

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Description Light wave divergence traveling through different focal points
Date between 1885 and 1886
date QS:P,+1885-00-00T00:00:00Z/8,P1319,+1885-00-00T00:00:00Z/9,P1326,+1886-00-00T00:00:00Z/9
Source Popular Science Monthly Volume 28
Author Unknown authorUnknown author
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current02:12, 14 September 2010Thumbnail for version as of 02:12, 14 September 20101,639 × 655 (94 KB)Ineuw{{Information |Description = Light wave divergence traveling through different focal points |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_28.djvu/191 |Date = 1885-1886 |Author = Unknown |Permission = {{PD-old}} |other_v

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