<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31444024</termId><termName>photoheliographs</termName><termType>PT</termType><termNote><![CDATA[ Telescopes used for photographing the sun, developed in the mid-19th century in Europe. The first photoheliograph was developed by astronomer Warren de la Rue and constructed in London by Andrew Ross, and was completed in 1856. ]]></termNote><termCreatedDate>2026-03-30 20:59:37</termCreatedDate><relation><relationType>UF</relationType><termId>31444025</termId><termName>photoheliograph</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31443956</termId><termName>astronomical telescopes</termName><termType>PT</termType></relation></term>  </Zthes>