File:PSM V01 D190 Astigmatism.jpg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 16:16, 20 June 2010 | 1,763 × 947 (398 KB) | Ineuw | {{Information |Description = Astigmatism |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_1.djvu/190 |Date = 1872 |Author = Unknown |Permission = {{PD-old}} |other_versions = }} {{GFDL-user-w|en|Wikisource|Ineuw}} [[Cate |
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