<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31307657</termId><termName>clang analyzers</termName><termType>PT</termType><termNote><![CDATA[ Instruments designed to demonstrate visibly the harmonic overtones of all musical notes, by means of a device utilizing gas jet flames and revolving mirrors. This device was presented at the Paris Universal Exhibition of 1867 by Rudolph Koenig. ]]></termNote><termCreatedDate>2026-03-30 20:22:47</termCreatedDate><relation><relationType>UF</relationType><termId>31307660</termId><termName>clang analyser</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31307661</termId><termName>clang analyzer</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31307658</termId><termName>Koenig&apos;s clang analyser</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31307659</termId><termName>analyzers, clang</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31299038</termId><termName>sound devices</termName><termType>PT</termType></relation></term>  </Zthes>