The following link is to a brief survey that is part of an interdisciplinary, 
collaborative research project being conducted by scientists and curators at 
George Washington University, the Library of Congress, and the Vitreous State 
Laboratory of The Catholic University of America; the research is supported by 
a Tier II grant in the NEH Preservation and Access Division's Research and 
Development Grant Program. The main objective of the study, entitled, "Glass at 
Risk: simple tools for detecting unstable glass in 19th century cultural 
heritage collections," is to create various types of analytical tools that will 
assist curators, conservators and scientists alike in the identification of 
at-risk glass heritage collection items. Ultimately, these tools will be 
organized into a "decision tree" that will allow end-users to better identify 
the risk posed by unstable 19th century glass in historical collections using, 
at a minimum, simple, low-cost techniques.

The survey is designed to help us assess the preservation needs of small to 
medium size cultural heritage institutions with regard to identification of 
unstable glass in their 19th century collections and archives. The results of 
the survey will be compiled as anonymous data that will aid the project and 
will eventually be available on the web in summary form. We will be happy to 
provide you with information about the results, when available.

Please find the survey here: https://goo.gl/forms/uYduAvc6j7cy5hbl1

Questions about the survey may be sent to: 
[email protected]<mailto:[email protected]> .

Thank you,

Stephanie Zaleski
Postdoctoral Scientist
George Washington University


Lynn Brostoff, PhD
Senior Research Scientist and Analytical Services Liaison
Preservation Research & Testing Division
Preservation Directorate
The Library of Congress
101 Independence Ave. SE
Washington, DC 20540
(tel)  202-707-0319
(fax) 202-707-1525

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