<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31378929</termId><termName>crown wheels</termName><termType>PT</termType><termNote><![CDATA[ Short cylinders with a serrated edge, resembling a crown, used as the escape wheel in verge escapements. ]]></termNote><termCreatedDate>2026-03-30 20:42:14</termCreatedDate><relation><relationType>UF</relationType><termId>31378930</termId><termName>crown wheel</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31378931</termId><termName>wheels, crown</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31348957</termId><termName>clock and watch components</termName><termType>PT</termType></relation></term>  </Zthes>