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24 Inch (.61 meter) Telescope for University of Oregon, 1967 - Boller and Chivens: A History "Where Precision is a Way of Life" - Boller and Chivens were makers of Telescopes and Precision Instruments
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SkyVision 24-inch T600 Compact Go-To Dobsonian review - Telescopes - Reviews - BBC Sky at Night Magazine
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