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<p>[QUOTE=&quot;moreotherstuff, post: 1221121, member: 56&quot;]This is a problem with older reference materials, but I have to say that this book is full of warnings about the variability of ink and paper formulas and how a technique that works perfectly well here could result in damage there due to those variables.&nbsp; It helps if you know precisely what you dealing with down to the chemical composition.</p><p><br /></p><p>Not likely in this case.&nbsp; So here the rules ought to be: keep it simple, and if you&#039;re not prepared for whatever you do going wrong, then don&#039;t do it.</p><p><br /></p><p>(Some art conservation and restoration programs require a degree in chemistry as a prerequisite.)[/QUOTE]</p><p><br /></p>

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