thanks greg,
very interesting and informative. i know that museums are steering away from acid etching on antique blades, but more so because of red tape involved in conservation and restoration. i know the V&A used to use nital but not sure if they still do (in fact i know they dont because the guy using it has moved on). dr ann was involved with a non-acidic etch which she promised to disclose when she published her article. the results you show are very impressive.
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