<?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">sciopticons</topic></authority><related type="broader"><topic>temporary alphabetical list: image-making equipment</topic></related><variant type="other"><topic>sciopticon</topic></variant> <note xml:lang="en"><![CDATA[ Projecting equipment that consists of a lens, an objective, and an illumination source that varies depending on the location where the apparatus will be used. The light source can be an oil lamp, acetylene, gas, limelight, incandescent light, arc lamp, or electric. ]]></note></mads>