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12"x12" Plate Glass

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Posted by John Smith on October 8, 2001 00:09:32 UTC

I thought I would get some opinions. I am able to buy a piece of 12"x12"x3/4" plate glass in my area for $25. This would be my first attempt at grinding a mirror. Not wanting to waste any of the glass, I was wondering what the largest disc I should try to trepan from this square?

Thanks

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