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12.5 inch Dobsonian Telescope
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How to start building a big (12' or more) Newtonian reflector telescope - Quora
Homemade 12.5 Inch Dobsonian Telescope : 5 Steps (with Pictures) - Instructables
Homemade 12.5 Inch Dobsonian Telescope : 5 Steps (with Pictures) - Instructables
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12.5 inch Dobsonian Telescope
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AGO 12.5” iDK, 10μ GM2000 : r/telescopes
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