RE: [ATM] Grinding the back flat

["Tom and Beth" <milliesand@cox.net>]

Gary,

  If you can't lase through the edge of your blank and produce a holograph 
it isn't done yet ;-)

Date: Fri, 19 Aug 2005 15:58:42 -0400
From: GARY FUCHS <gary@rcn.com>
Subject: RE: [ATM] Grinding the back flat
To: atm@atmlist.net
Message-ID: <bfda6bfb.2e6e9697.81b5600@ms02.mrf.mail.rcn.net>
Content-Type: text/plain; charset=us-ascii

Hello Richard,

How do you test the edge to know if it's sufficiently polished?

Thanks,

Gary Fuchs


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