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Date: | Wed, 19 Dec 2007 10:07:12 -0500 |
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More information from our Senior Conservation Scientist...
All paintings and painted surfaces whether oil, alkyd or acrylic are at
extreme risk if exposed to freezing. See the attachment.
Please also see Determining the Acceptable Ranges of Relative Humidity
And Temperature in Museums and Galleries. Part 2, Structural Response to
Temperature
at http://www.si.edu/mci/downloads/reports/Mecklenburg-Part2-Temp.pdf
Best wishes,
Ann N'Gadi
Technical Information Specialist
MCI
-----Original Message-----
From: Museum discussion list [mailto:[log in to unmask]] On
Behalf Of George Harris
Sent: Wednesday, December 19, 2007 8:39 AM
To: [log in to unmask]
Subject: [MUSEUM-L] Building Freeze
Hello,
The collections manager at my museum thought that when we have our
furnace
replaced early next year that it might be a good time to let the
building
freeze to try and kill any pests that are in the collections. I think
it
is not now going to happen, but some responses she got from a posting on
a
different listserv said that it wouldn't hurt the collections to have
them
be frozen. This is completely wrong for some types of collections, of
course. Are there any resources that anyone can suggest that show how
tempreature changes alone and tempreature in cunjunction with its
relationship with relative humidity can damage collections?
Thank you.
Beau
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