Restoring etchings and engravings is a delicate process.
Abrasive chemicals can easily remove the fine lines in engravings and etchings, but these agents can also do more damage than help.
At Restoration By Heart our head Restorer, Gustavo Perez, uses proprietary methods and chemicals that treat etching and engravings in the most delicate way:
The original work endures, but in the conservation process the original materials are not in any way depleted.