<?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">armonicas</topic></authority><related type="broader"><topic>musical glasses</topic></related><variant type="other"><topic>armonica</topic></variant><variant type="other"><topic>glass harmonica</topic></variant><variant type="other"><topic>glass harmonicas</topic></variant><variant type="other"><topic>harmonicas, glass</topic></variant> <note xml:lang="en"><![CDATA[ Musical glasses developed by Benjamin Franklin around 1761, in which glass bowls of graded size fitted concentrically on a horizontal rod are turned by a crank attached to a pedal as the player rubs the rims with slightly moistened or chalk-dusted fingers to produce sound. In a slightly later development, a shallow trough of water is fitted below the rod, which is mounted obliquely so that the bowls are moistened as they rotate. ]]></note></mads>