File:15-28 Copal glass.jpg

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Copal

Normal (left) and UV (right) reflected light images of Copal on a glass slide over a black background to illustrate the color of the substance along with its autofluorescence. Normal light = Halogen lamp (100 W, no filter); UV light=Mercury gas discharge lamp (100W, excitation filter=340-380nm, suppression filter=425 nm). Image credit: Scientific Research lab, Museum of Fine Arts, Boston.


Sample from the Gettens Collection of Aged Pigments and Media, Straus Center for Conservation, Harvard University Art Museums.

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current16:47, 20 April 2013Thumbnail for version as of 16:47, 20 April 20131,200 × 620 (111 KB)Maintenance script (talk)Importing image file
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