<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31445736</termId><termName>phonautographs</termName><termType>PT</termType><termNote><![CDATA[ Early phonographic recording devices of the type invented by Léon Scott de Martinville in 1857, consisting of a horn or barrel focusing sound waves onto a membrane, and creating a visual analogue of soundwaves onto a lampblack-coated cylinder by means of a hog's hair bristle. It was the first sound recording device, but could not reproduce the recorded sound. ]]></termNote><termCreatedDate>2026-03-30 21:00:03</termCreatedDate><relation><relationType>UF</relationType><termId>31445737</termId><termName>phonautograph</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31421501</termId><termName>phonographs</termName><termType>PT</termType></relation></term>  </Zthes>