<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31420491</termId><termName>darkroom thermometers</termName><termType>PT</termType><termNote><![CDATA[ Thermometers designed for use in photographic darkrooms. These come in various forms, but usually have marks indicating optimal temperatures for developer, and are meant to be submerged in liquids. ]]></termNote><termCreatedDate>2026-03-30 20:53:18</termCreatedDate><relation><relationType>UF</relationType><termId>31420492</termId><termName>darkroom thermometer</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31386067</termId><termName>photographic processing equipment</termName><termType>PT</termType></relation></term>  </Zthes>