Thread: Boring!! (a hole in an existing mirror)
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Old 28-08-2008, 10:59 AM
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Merlin66 (Ken)
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Merlin66 is offline 		 
Join Date: Oct 2005
Location: Junortoun Vic
Posts: 8,927
Treppaning
It used to take about 20-30 minutes to cut a 200mm diameter disk, 25mm thick.
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