<?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">angle measuring devices</topic></authority><related type="narrower"><topic>levels</topic></related><related type="narrower"><topic>plumb bobs</topic></related><related type="narrower"><topic>plumb lines</topic></related><related type="narrower"><topic>horizontal angle measuring devices</topic></related><related type="narrower"><topic>vertical angle measuring devices</topic></related><related type="narrower"><topic>diffractometers</topic></related><related type="narrower"><topic>goniometers</topic></related><related type="narrower"><topic>transits</topic></related><related type="narrower"><topic>theodolites</topic></related><related type="narrower"><topic>pantometers</topic></related><related type="narrower"><topic>spirit levels</topic></related><related type="broader"><topic>distance measuring devices</topic></related><variant type="other"><topic>angle measuring device</topic></variant><variant type="other"><topic>measuring devices, angle</topic></variant> <note xml:lang="en"><![CDATA[ Devices used to measure the shapes formed by two line segments that meet at a common point. ]]></note></mads>