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Want to build a scope? I'm giving away 2 6" f/8 primary mirrors and 2 6" mirror blanks. PM if interested. : r/telescopes
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Casting a Large, Light-Weight Telescope Mirror From Recycled Glass : 13 Steps (with Pictures) - Instructables
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Mt. Palomar Telescope Pyrex Mirror Blank in the May 29, 1948, edition of the Saturday Evening Post - RF Cafe
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Casting a Large, Light-Weight Telescope Mirror From Recycled Glass : 13 Steps (with Pictures) - Instructables
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