Conservation and restoration of glass objects is one aspect of conservation and restoration of cultural heritage. The nature and varying composition of the material, and the variety of types of object
Portland Vase, British Museum, restored by Nigel Williams
Fragments of Portland Vase, 1845 watercolor by Thomas H. Shepherd
Roman Brown Glass during and after conservation - restoration
The conservation and restoration of copper-based objects involves processes of characterization, preservation, protection, and further treatment aimed at stabilizing and maintaining items made from co
Perseus with the Head of Medusa, bronze, by Benvenuto Cellini, in the Loggia dei Lanzi gallery on the edge of the Piazza della Signoria in Florence; picture taken after the statue's cleaning and restoration
A corroded copper ingot from Zakros, Crete, shaped in the form of an animal skin typical in that era
Chalcolithic copper mine in Timna Valley, Negev Desert, Israel
Acid mine drainage affecting the stream running from the disused Parys Mountain copper mines