<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31345354</termId><termName>lighthouse lamps</termName><termType>PT</termType><termNote><![CDATA[ Lamps, often set in rotating Fresnel lenses, in lighthouses. Early lighthouse lamps were powered by incandescent gas burners. ]]></termNote><termCreatedDate>2026-03-30 20:33:09</termCreatedDate><relation><relationType>UF</relationType><termId>31345355</termId><termName>beacons, lighthouse</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31345356</termId><termName>lamps, lighthouse</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31345357</termId><termName>lighthouse beacon</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31345358</termId><termName>lighthouse beacons</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31345359</termId><termName>lighthouse lamp</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31320955</termId><termName>beacons</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31415819</termId><termName>arc lamps</termName><termType>PT</termType></relation></term>  </Zthes>