[IMG]
Not really, NMR is Nuclear Magnetic Resonance and is the principle behind MRI or Magnetic Resonance Imaging. Don't normally get images from...
I commented about using a brass brush and someone objected saying it would leave brass particles behind and then commented that they used a steel...
Just yesterday
[ATTACH]
And you became a member just to tell us that story...
What source are the attached files from?
And smoothing is just tooling on the background surface?
This raises an ethical question. If he did want to sell it, and you had the bucks, what should you offer him for it? Conversely if he announces...
You said that when you turned 21 also...remember?
Being a cursory collector of ancients, I want to see the advice you get.
One post was enough. Proof coins (except matte proofs) have mirror fields that reflect objects for several inches. They also have edges that are...
Normally a "Deep Cameo" finish means frosted devices on a mirror background. That is not a mirror background. Also the strike doesn't appear to...
Actually FROM Kentucky...now in Southern CA. Let me see if I can find it...
Just don't leave them alone together unattended...:angelic:
I'll look, I might have kept one.
Possibly more zinc rot from perforations in the copper shell.
I have to admit my training is as a physical organic chemist and any chemistry I know of metals, including corrosion and conservation comes about...
I guess what I was trying to say is that terminology is not as exact as we would like and trying to help someone and allay their concerns needs to...
Separate names with a comma.
