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Archive: January 2022 (1 Post)

Close-up view of two hands carefully at work on an aged, yellowing manuscript with handwriting

Reflections on War

Posted by: Tana Villafana

This is a guest post by Cindy Connelly Ryan, a Preservation Science Specialist in the Preservation Research and Testing Division (PRTD). Her research areas include the light sensitivity of inks, dyes and organic colorants, deterioration and stabilization of verdigris and iron gall ink, technical study of collection items, and re-creating obsolete historic recipes for artists’ …