No Labs? No Problem (for PRTD’s Interns)!

This is a guest post by Andrew Davis, a chemist in the Preservation Research and Testing Division, who is active in PRTD’s outreach efforts. Andrew works to understand polymeric materials in the Library’s collection, such as paper, adhesives, and audiovisual materials, and he also researches the effects of light and the environment on collections objects. […]

Volatile Organic Compounds (VOCs) – The Scent of Our Collections and the Things That Hold Them

This is a guest post written by Dr. Eric Monroe, Head of the Scientific Laboratory Section of the Preservation Research and Testing Division. One of his research interests involves examining the impact and consequences of volatile compounds and odors in the Library.   The presence of odors throughout the Library of Congress is hardly a […]

Material Spotlight: Housing a Soviet Era Star Wars Poster

This is a guest post written by Jennifer Phiffer. Jennifer is a Conservation Technician in the General Collections Conservation Section. Her primary  duties are the housing and repair of collection materials. Earlier this year I was very excited to receive a new acquisition from the European Division, a movie poster that needed a custom oversized […]

So Many Islands in the Sea of Stories

The following is a guest post by Keith Shovlin, a Senior Library Technician in the Processing And Preparation Section of the Preservation Services Division. “So Many Islands: Stories from the Caribbean, Mediterranean, Indian, and Pacific Oceans” is a collection of stories from the Caribbean, Mediterranean, Indian, and Pacific Oceans. It was edited by Nicolas Laughlin […]

Assessing the Impact of Sanitizing Products on Collection Items

This is a guest post by Cindy Connelly Ryan, a Preservation Science Specialist in the Preservation Research and Testing Division. Her research interests include the light sensitivity of inks, dyes and organic colorants, deterioration and stabilization of verdigris and iron gall ink, and historic recipes and working methods for artists’ materials. Over the ever-lengthening months […]

Preservation Research and Testing Division: What We Do!

This is a guest post authored by Fenella France. Fenella has been the Chief of the Preservation Research and Testing Division since 2011. She has a Ph.D and a master’s degree in textile science and a master’s degree in business administration, with over 30 years’ experience in heritage preservation science. In February 2020, the Preservation […]

Scenes from the Lab: Preservation of World War II Pacific Theater Relief Maps

This is a guest post authored by Jim Thurn. Jim is a book and paper conservator in the Collections Conservation Section of the Conservation Division at the Library of Congress. He studied conservation at the former Kilgarlin Center for Preservation of the Cultural Record at the University of Texas at Austin. On December 7, 1941 […]