<?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">base rings</topic></authority><related type="broader"><topic>container components</topic></related><variant type="other"><topic>base-ring</topic></variant><variant type="other"><topic>base ring</topic></variant> <note xml:lang="en"><![CDATA[ Rings of glass added to the undersides of glass vessels after their bodies have been made.  They are usually flattened so that their edges extend beyond the bottom of the vessels. ]]></note></mads>