<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">copper engraving</topic></authority><related type="other"><topic>copper engravings</topic></related><related type="broader"><topic>engraving</topic></related><variant type="other"><topic>chalcography</topic></variant><variant type="other"><topic>copper plate engraving</topic></variant><variant type="other"><topic>copperplate engraving</topic></variant><variant type="other"><topic>engraving, copper</topic></variant><variant type="other"><topic>engraving, copperplate</topic></variant> <note xml:lang="en"><![CDATA[ Refers to the process of engraving for printing using copper plates. It was replaced in the early 19th century by the use of more durable plates, generally made of either steel or steel-faced copper. ]]></note></mads>