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SBAUstars: Q1244702 SBAU telescope workshop TimC mirror Ronchi outsideR
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SBAUstars: Q1244708 SBAU telescope workshop TimC Ronchi outsideR
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SBAUstars: Q1244709 SBAU telescope workshop TimC Ronchi outsideR
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SBAUstars: Q1244699 SBAU telescope workshop JW TW JD MC
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SBAUstars: Q1244700 SBAU telescope workshop TimC polishing 8 inch mirror w small pitch lap
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SBAUstars: Q1244701 SBAU telescope workshop TimC polishing 8 inch mirror w small pitch lap
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SBAUstars: Q1244703 SBAU telescope workshop TimC TomW JerryW JoeD crop lighten
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SBAUstars: Q1244704 Six Degrees our future on a hotter planet Lynas
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SBAUstars: Q1244705 SBAU telescope workshop MikeC rough grinding progress on 14 inch porthole glass
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SBAUstars: Q1244706 SBAU telescope workshop TimC Ronchi outsideR
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SBAUstars: Q1244707 SBAU telescope workshop TimC Ronchi outsideR