<?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">butyrometers</topic></authority><related type="other"><topic>milk</topic></related><related type="other"><topic>lactometers</topic></related><related type="broader"><topic>quantity measuring devices for substances</topic></related><related type="broader"><topic>milk testers</topic></related><variant type="other"><topic>butyrometer</topic></variant><variant type="other"><topic>lactobutyrometer</topic></variant> <note xml:lang="en"><![CDATA[ Instruments for estimating the percentage of butter fat in milk. The instrument comprises a cylindrical bottle that tapers off at one end to a graduated tube with a conical bulb termination. It is often used with instruments gauging the purity of milk, "lactometers." ]]></note></mads>