File:PSM V24 D098 Homemade telescope tube and lenses.jpg
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current | 14:30, 1 September 2010 | 1,831 × 579 (74 KB) | Ineuw | {{Information |Description = Homemade telescope tube and lenses |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_24.djvu/98 |Date = 1883-1884 |Author = Unknown |Permission = {{PD-old}} |other_versions = }} [[Category:Pop |
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