<?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">regulators</topic></authority><related type="other"><topic>standards</topic></related><related type="broader"><topic>clocks by function</topic></related><variant type="other"><topic>governor</topic></variant><variant type="other"><topic>regulator</topic></variant><variant type="other"><topic>regulator clock</topic></variant><variant type="other"><topic>regulator clocks</topic></variant><variant type="other"><topic>régulateur clocks</topic></variant><variant type="other"><topic>régulateurs</topic></variant> <note xml:lang="en"><![CDATA[ Clocks of great accuracy containing a deadbeat escapement and temperature-compensated pendulum used for the regulation of other timepieces; usually tall case clocks in form. These were initially used in observatories and clock and watch shops as the standard of accuracy during repairs, synchronization, and manufacturing. ]]></note></mads>