<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31428161</termId><termName>mercury barometers</termName><termType>PT</termType><termNote><![CDATA[ Barometers that measure atmospheric pressure by measuring the height of a column of mercury that the atmosphere will support. ]]></termNote><termCreatedDate>2026-03-30 20:55:30</termCreatedDate><relation><relationType>UF</relationType><termId>31428162</termId><termName>barometer, mercury</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31428163</termId><termName>barometers, mercurial</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31428164</termId><termName>barometers, mercury</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31428165</termId><termName>mercurial barometers</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31428166</termId><termName>mercury barometer</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31398389</termId><termName>barometers</termName><termType>PT</termType></relation></term>  </Zthes>