<?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">black light bulbs</topic></authority><related type="broader"><topic>light bulbs</topic></related><variant type="other"><topic>black light bulb</topic></variant><variant type="other"><topic>black lightbulbs</topic></variant><variant type="other"><topic>black lights</topic></variant><variant type="other"><topic>bulbs, black light</topic></variant> <note xml:lang="en"><![CDATA[ Fluorescent lamps, available in two types, with ultraviolet emitting phosphors. Used in the ultraviolet investigation of cultural materials, conservation, and in many scientific contexts. Filtered black light blue bulbs produce a dark violet glow with phosphors releasing near 404.7 nm; non-filtered black light bulbs emit a light blue light with phosphors releasing near 360 nm. ]]></note></mads>