20-Inch-Telescope-Mirror: Difference between revisions
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== Perkin Elmer/Boller & Chivens 20" F8 primary telescope mirror == | == Perkin Elmer/Boller & Chivens 20" F8 primary telescope mirror == | ||
[[Image:Mirror_1.jpg|thumb|right]] | [[Image:Mirror_1.jpg|thumb|right]] | ||
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[[Image:Mirror_4.jpg|thumb|left]] | [[Image:Mirror_4.jpg|thumb|left]] | ||
[[Image:Mirror_5.jpg|thumb|right]] | [[Image:Mirror_5.jpg|thumb|right]] | ||
The central hole appears to be about 4 inches in diameter. | |||
Revision as of 13:21, 1 March 2007
Perkin Elmer/Boller & Chivens 20" F8 primary telescope mirror
The central hole appears to be about 4 inches in diameter.