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Can it be determined wherher a coin has bronze disease from photos alone?
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<p>[QUOTE="Curtis, post: 24739590, member: 26430"]Many people claim otherwise, including at least some professionals. I'm in a hurry, but just searching "bronze disease" and "contagious" I find multiple academic journal articles (whether they're high quality journals, I don't know) that explicitly claim it can spread from one object to another.</p><p><br /></p><p>The usual suggestion is that the chemical reaction is perpetuated either through contact with physical particles of copper chloride or through hydrochloric acid in the immediate atmosphere.</p><p><br /></p><p>I don't know whether anyone has attempted empirical tests of the chemical processes. And I agree that we should have the evidence one way or another before making a strong claim about it. But I don't see any a priori reason to assume it can't spread between objects or across different parts of the same object.[/QUOTE]</p><p><br /></p>
[QUOTE="Curtis, post: 24739590, member: 26430"]Many people claim otherwise, including at least some professionals. I'm in a hurry, but just searching "bronze disease" and "contagious" I find multiple academic journal articles (whether they're high quality journals, I don't know) that explicitly claim it can spread from one object to another. The usual suggestion is that the chemical reaction is perpetuated either through contact with physical particles of copper chloride or through hydrochloric acid in the immediate atmosphere. I don't know whether anyone has attempted empirical tests of the chemical processes. And I agree that we should have the evidence one way or another before making a strong claim about it. But I don't see any a priori reason to assume it can't spread between objects or across different parts of the same object.[/QUOTE]
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Can it be determined wherher a coin has bronze disease from photos alone?
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