<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31398114</termId><termName>vertical angle measuring devices</termName><termType>PT</termType><termNote><![CDATA[ Devices used for for measuring angles between lines on vertical planes.  ]]></termNote><termCreatedDate>2026-03-30 20:47:02</termCreatedDate><relation><relationType>UF</relationType><termId>31398115</termId><termName>measuring devices, vertical angle</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31398116</termId><termName>vertical angle measuring device</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31358233</termId><termName>angle measuring devices</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31419152</termId><termName>astrolabes</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31427965</termId><termName>clinographs</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31427967</termId><termName>clinometers</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31419154</termId><termName>cross-staffs</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31427969</termId><termName>inclinometers</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31419162</termId><termName>octants</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31427971</termId><termName>quadrants</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31345381</termId><termName>sextants</termName><termType>PT</termType></relation></term>  </Zthes>