Dr Schmitt will present a lecture covering her doctoral research on paintings which have been treated by the Pettenkofer process (“Regeneration”) which involved the use of copaiba balsam. Over 140 works of art in nine museums mostly in Germany, in London and The Hague, were identified as having been exposed to this popular treatment. Although the treatment was invented in 1860, it was in constant use as late as the 20th century.
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