<?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">Cluthra glass</topic></authority><related type="other"><topic>Clutha glass</topic></related><related type="broader"><topic>art glass</topic></related><variant type="other"><topic>glass, Cluthra</topic></variant> <note xml:lang="en"><![CDATA[ A type of art glass characterized by large air bubbles of various sizes combined with larger unsifted glass particles, and cased with heavier clear glass. Cluthra glassware is made from a lump of crystal glass on a blowing iron, which is rolled across a marver that had been sprinkled with powdered glass of any desired color. It was developed at Steuben Glass Works before 1930 as a variation on the very similar Clutha glass. ]]></note></mads>