[Colonial Numismatics] Re 上市 Deposited
Re
XRF at C4
- From rogermoore435@yahoo.com Wed Nov 06 15:42:44 2002
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Date: Wed, 6 Nov 2002 15:42:44 -0800 (PST)
Subject: Re: [Colonial Numismatics] Re: XRF at C4
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From: Roger Moore <rogermoore435@yahoo.com>
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I don't think that too many of us will be lining up to
have this done but I would agree that scientifically,
this is probably the best approach. Roger
--- Dan Freidus <freidus@wwnet.net> wrote:
> Joke all you want, Roger. That's actually a
> standard technique.
> I'll bring along the coins I have drilled. I use an
> almost
> microscopic drill on the edge. (the drills are made
> for the
> electronics industry.) I practiced on junk and have
> a few coins with
> pieces of broken drills embedded in them. It takes
> practice to drill
> a hole 1/3mm in diameter and collect the metal chips
> from the hole...
>
> Dan
>
> >At 1:09 PM -0800 11/6/02, Roger Moore wrote:
> >However, on further thought, a better sample for
> >analysis could be obtained by taking a drilling
> from
> >the center of the coin (A core value, so to speak).
> I
> >will plan to bring a drill to C-4 for use by anyone
> >wishing to obtain true core values. Roger
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