Cleaning tests had revealed that the old varnish - applied by Horace Buttery in 1960 - could be removed using standard cleaning solutions without risking Poussin's paint surface. So what do we mean by a standard cleaning solution?
Monday, August 1, 2011
Removal of varnish and old retouchings
Cleaning tests had revealed that the old varnish - applied by Horace Buttery in 1960 - could be removed using standard cleaning solutions without risking Poussin's paint surface. So what do we mean by a standard cleaning solution?
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