National Archives conservators Terry Boone (right) and Morgan Zinsmeister (left) examine the condition of 1297 Magna Carta before proposing treatment steps. Image by Sheri Hill for the National Archives.
National Archives conservator Terry Boone tests the solubility of old adhesive residues on the reverse of Magna Carta. Image by Sheri Hill for the National Archives.
NIST Engineering Technician Brian Yanick (left) and Mechanical Engineer Jay Brandenburg (right) inspect the platform geometry between machining operations. Image by Mark Luce for NIST.