<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31446957</termId><termName>fountain lamps</termName><termType>PT</termType><termNote><![CDATA[ Lamps in which the raising of the oil is effected by the pressure of a liquid of greater specific gravity acting through a column of air. Based on an adaptation of Hero's fountain (220 BCE). For lamps employing the bird-fountain principle use "Cardan lamps." ]]></termNote><termCreatedDate>2026-03-30 21:04:49</termCreatedDate><relation><relationType>UF</relationType><termId>31446958</termId><termName>fountain lamp</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31446959</termId><termName>lamps, fountain</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31424515</termId><termName>lamps by form</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31447050</termId><termName>oil lamps</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31446837</termId><termName>Cardan lamps</termName><termType>PT</termType></relation></term>  </Zthes>