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#1
December 11th 04, 12:18 AM
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Building own telescope - ground glass making
I'm building my own telescop and so far have managed to make a reasonable
mirror. By that I mean I will probably want to remake it once it is all finished. I now need a piece of ground glass for a projection screen.... How do I - Make fine ground glass? Make gg with a bright image ? Or buy ground glass. Thanks ! 
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