<?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">gyrocompasses</topic></authority><related type="other"><topic>gyroscopes</topic></related><related type="broader"><topic>horizontal angle measuring devices</topic></related><related type="broader"><topic>navigational instruments</topic></related><variant type="other"><topic>compasses, gyro</topic></variant><variant type="other"><topic>compasses, gyroscopic</topic></variant><variant type="other"><topic>compasses, gyrostatic</topic></variant><variant type="other"><topic>gyro compass</topic></variant><variant type="other"><topic>gyro compasses</topic></variant><variant type="other"><topic>gyro-compass</topic></variant><variant type="other"><topic>gyro-compasses</topic></variant><variant type="other"><topic>gyrocompass</topic></variant><variant type="other"><topic>gyroscopic compasses</topic></variant><variant type="other"><topic>gyrostatic compass</topic></variant><variant type="other"><topic>gyrostatic compasses</topic></variant> <note xml:lang="en"><![CDATA[ North-seeking navigational devices containing a gyroscope and used as a vehicle's directional reference. ]]></note></mads>