How to Make a Pitch lap and Polish a telescope mirror!
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TELESCOPE MIRROR MAKING HOW TO: Fine Grinding
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Making a 33 cm f/4.8 mirror on the Mirror-o-Matic 6: polishing the surface with a pitch lap
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Techniques for Refiguring an 18" f/4.4 Telescope Mirror
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Ten Things To Make Your Newtonian Amazing!
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Grinding a 25-Inch F3 Telescope Mirror: Thinning and Flattening the Back
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como fazer um telescópio | PASSO A PASSO FÁCIL DE FAZER BARATO e TOP
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Preparing to Grind a 22" f/4.0 Telescope Mirror
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