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<p>[QUOTE=&quot;10gary22, post: 1041577, member: 23626&quot;]I think the date might actually be a bit softer ? Because if a heated, flat piece of metal is pressed, it would seem the low points would get the most compaction and squeeze the metal out and up into the recessed portions od the die. So I think the raised areas are softer than the low areas ? Maybe that&#039;s why the details can be retrieved with acid ? The softer metal gets eaten away more rapidly than the hard low surfaces and outlines those details ? Just guessing ? But am quite intrigued by the process.</p><p>&nbsp;</p><p>But I am gonna try it tomorrow and time it, by looking each day. I think I may even get a scan of the original to see how it is working ?</p><p>&nbsp;</p><p>gary[/QUOTE]</p><p><br /></p>

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