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| Trepanning
Forum List | Follow Ups | Post Message | Back to Thread Topics Posted by Jason Cik on December 27, 2001 04:56:27 UTC |
I decided to be brave and attempt to cut out the glass for my next telescope. I've never done anything like this before and I'm having lots of trouble with it. I am using 3/4 inch plate glass and size 80 grit with a powerful drill. I attached a long 2 inch wide piece of sheet metal around the edge for cutting. I am keeping the drill at relatively slow speeds, approximately
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