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In Situ Studies of Tidelines on Paper

Rachel Obbard discusses Tidelines, or staining produced by wetting, mar the appearance of and weaken paper, which predisposes the paper to further damage. This talk highlighted findings from research that utilizes existing technologies to improve our understanding of tidelines on historical documents, books, and artworks on paper. This collaboration of Dartmouth College, the Library of Congress and the Metropolitan Museum of Art is part of an effort to identify non-invasive techniques to study tidelines that will inform treatment methodologies for artifacts damaged by water ingress. Research funded by the National Center for Preservation Technology and Training (NCPTT). Speaker Biography: Rachel Obbard is an assistant research professor at Dartmouth College. For transcript and more information, visit https://www.loc.gov/today/cyberlc/fea...