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News, events, updates, and tidbits from the Presbyterian Historical Society. Use tags to read related articles or sort by author for similar posts written by PHS staff members and volunteers.

April 27, 2015

This year, the Presbyterian Historical Society is celebrating Preservation Week in a big way—we’ve just launched our first environmental monitoring program! Sixteen Preservation Environment Monitor (PEM2) data loggers now permanently collect temperature and relative humidity data in all of our collection spaces. Collecting and analyzing environmental data is the first step to...

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