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New Tools for Preservation: Assessing Long-Term Environmental Effects on Library and Archives Collections by James M. Reilly, Douglas W. Nishimura

and Edward Zinn

Introduces the concept of Time Weighted Preservation Index (TWPI), a new way to measure how temperature and humidity changes effect storage environments for paper, photographs, magnetic tape, and any type of organic material. Explains how small changes in storage can significantly extend the life of collections.

Item #


New Tools for Preservation


BK-151 New Toolsfor Preservation1

BK-151 New Toolsfor Preservation2