<?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">lighthouse lamps</topic></authority><related type="other"><topic>arc lamps</topic></related><related type="broader"><topic>beacons</topic></related><variant type="other"><topic>beacons, lighthouse</topic></variant><variant type="other"><topic>lamps, lighthouse</topic></variant><variant type="other"><topic>lighthouse beacon</topic></variant><variant type="other"><topic>lighthouse beacons</topic></variant><variant type="other"><topic>lighthouse lamp</topic></variant> <note xml:lang="en"><![CDATA[ Lamps, often set in rotating Fresnel lenses, in lighthouses. Early lighthouse lamps were powered by incandescent gas burners. ]]></note></mads>