An art dealer was able to wipe off 200 years' of varnish within seconds. Philip Mould used a mixture of gel and solvent to clean the painting. The 17th century painting depicts a woman in an elaborate ...

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Varnishes are used as a finishing layer to protect artwork from discoloration, moisture, dirt, and UV rays. Which varnish you choose will affect the finished look. A glossy finish will make colors ...

TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...