Indy Writes Books by M. Travis DiNicola5/21/2023 ![]() ![]() There are multiple forms of microscopy, including HR, used in the art world. This pigment blackens over time in oil paintings, watercolors, illuminations, frescoes and gilding. The conservationist's job is to reverse the blackening where it appears on paintings, etc. This is often done with admixtures of hydrogen peroxide. Blackening due to lead white use only appears on the artwork's most superficial layers. Smith began by discussing lead white pigment, a substance that has been used extensively in many art forms since antiquity. This was a highly technical talk profusely illustrated with slides.ĭr. Smith's prior experience before arriving at the IMA. ![]() Smith's third appearance before Scientech. Today's presentation started with a brief review of Dr. ![]()
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