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Preservation Metrics: Natural Aging

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Uploaded by on Mar 19, 2010

Image Permanence Institute Director, James Reilly, presents the brittle cracking of a book cover, the deterioration of a silver gelatin acetate negative, and the discoloration of two book pages as examples of Natural Aging. Natural Aging is one of the categories of decay considered by IPI's Preservation Metrics, algorithms that use the temperature and humidity conditions to rate the risk of potential damage to cultural heritage collection materials.

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  • Very good and nice explanation Mr. Reilly.

    Thank you for sharing.

    I'm looking for a receipe on how to age (on propose) the edges of a book...

    Have a good Sunday.

    sOL

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