<?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">fountain lamps</topic></authority><related type="broader"><topic>lamps by form</topic></related><related type="broader"><topic>oil lamps</topic></related><related type="broader"><topic>Cardan lamps</topic></related><variant type="other"><topic>fountain lamp</topic></variant><variant type="other"><topic>lamps, fountain</topic></variant> <note xml:lang="en"><![CDATA[ Lamps in which the raising of the oil is effected by the pressure of a liquid of greater specific gravity acting through a column of air. Based on an adaptation of Hero's fountain (220 BCE). For lamps employing the bird-fountain principle use "Cardan lamps." ]]></note></mads>