<?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">plates</topic></authority><related type="narrower"><topic>printing plates</topic></related><related type="narrower"><topic>photographic plates</topic></related><related type="narrower"><topic>wet collodion negatives</topic></related><related type="narrower"><topic>niellos</topic></related><related type="narrower"><topic>dry collodion negatives</topic></related><related type="broader"><topic>object genres by function</topic></related><variant type="other"><topic>plate</topic></variant> <note xml:lang="en"><![CDATA[ General concept for flat, relatively thin sheets or disks of a rigid material such as metal or glass that have a uniform surface and thickness, used to make a work in multiples. Examples are copper or steel plates that are etched or engraved and used in printmaking, and thin sheets of metal or glass used in photography to make positive or negative images.  ]]></note></mads>