He does not have the equipment. He used to work for Valvoline but now is in a different industry leading an Operations team. He has been scolding...
I showed the MSDS to a chemist here at work and he felt the same thing. He also recommended a distilled water rinse. I was also surprised by the...
I I agree Doug, what I meant by "develop" is when what ever it is came in contact with the coin it was probably invisible to the eye. Over...
100% bought clear type from Walmart [ATTACH]
2 1/2 hours and this is the first time I think there has been a really meaningful difference. Look at my last shot and then look at the nose, the...
I just started an ammonia soak, I think this is going to work. I started by using it locally with a q-tip. There did not seem to be any...
24 hours back in acetone had not effect. [ATTACH]
Should get it slabbed (cleaned I know) but it's a population of 1, it's worth millions! :D
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So after 48 hours in xylene I am not sure there is much difference. I have now moved the coin back into acetone after several rinses in both...
I will take better pictures tonight after a few acetone baths. Easier to compare then.
Looked at the coin this morning before leaving for work and there was no change. :(
Thanks Ken, wish I could get the gunk off.
after 23 hours I do not feel there is much difference. Dumped out old, rinsed with distilled water and put it back into fresh xylene dip for...
Let's see the real progress after a 20 hour dip in xylene.
I looked at the coin before I left for work this morning and it looked unchanged, will pull it out when I get home tonight.
just before I just covered it for the night I took another photo, doesn't look like much has changed in this photo. [ATTACH]
k
after a couple hours seems like something is happening. God only knows what this will look like in the morning. [ATTACH]
9 hours in pure uncut Acetone - no noticeable impact Just placed in uncut Xylene for the night. Tomorrow will try ammonia if no noticeable...
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