<?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">bull&apos;s eye glass</topic></authority><related type="broader"><topic>crown glass</topic></related><variant type="other"><topic>glass, bull&apos;s eye</topic></variant><variant type="other"><topic>glass, bullion</topic></variant><variant type="other"><topic>glass, bullseye</topic></variant><variant type="other"><topic>bullion glass</topic></variant><variant type="other"><topic>bullseye glass</topic></variant> <note xml:lang="en"><![CDATA[ Refers to a type of glass characterized by central circular ridges around a pontil mark. It is a pane created from the central portion of a sheet of crown glass, which is created by spinning a bubble of glass on a rod and cutting one end so that the bubble opens into a large circular sheet. ]]></note></mads>