<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31420514</termId><termName>stereoscopes</termName><termType>PT</termType><termNote><![CDATA[ Viewers in which pairs of stereoscopic images are mounted and appear as a single, three-dimensional image when viewed. Use for objects designed to view individual stereo cards, usually photographic prints. For the devices used to view wheels of mounted transparencies, marketed as a children's toy from the mid-20th century, use "stereoviewers." ]]></termNote><termCreatedDate>2026-03-30 20:53:18</termCreatedDate><relation><relationType>UF</relationType><termId>31420515</termId><termName>stereo viewer</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31420516</termId><termName>stereoscope</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31386070</termId><termName>photograph viewing equipment</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31444818</termId><termName>grand parlor stereoscopes</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31431727</termId><termName>stereoscopic photographs</termName><termType>PT</termType></relation></term>  </Zthes>