<?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">pinchbeck</topic></authority><related type="broader"><topic>copper alloy</topic></related> <note xml:lang="en"><![CDATA[ An alloy of about five parts of copper with one of zinc that is used as imitation gold. It is similar to brass but contains more copper. It was invented by a London watchmaker named Christopher Pinchbeck, ca. 1740. Pinchbeck was often used in clock making and the production of inexpensive jewelry and snuffboxes, particularly by craftsmen in London. ]]></note></mads>