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<p>[QUOTE="Publius2, post: 3747546, member: 105571"]Mountain Man, thanks for the search results. I did a search but came up with 0 results so, being new here, I must have done it incorrectly. </p><p><br /></p><p>PlanoSteve, I have tried on some dirty bronze Lincoln cents and a Mexican half reale. While 15 seconds is enough to clean my glasses, I've left the coins in for several minutes. I would be concerned about using the UT on brittle, cracked, porous coins.[/QUOTE]</p><p><br /></p>
[QUOTE="Publius2, post: 3747546, member: 105571"]Mountain Man, thanks for the search results. I did a search but came up with 0 results so, being new here, I must have done it incorrectly. PlanoSteve, I have tried on some dirty bronze Lincoln cents and a Mexican half reale. While 15 seconds is enough to clean my glasses, I've left the coins in for several minutes. I would be concerned about using the UT on brittle, cracked, porous coins.[/QUOTE]
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