<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31477667</termId><termName>hyalotypes</termName><termType>PT</termType><termNote><![CDATA[ Positive albumen prints upon glass widely used to create lantern slides and sometimes larger glass transparencies hung in windows for decoration; produced by a patented process called Hyalotype, developed and promoted by the Lingenheim brothers of Philadelphia from 1850. Distinguished from "crystalotypes" on paper produced by a similar process patented by J. A. Whipple of Boston. ]]></termNote><termCreatedDate>2026-03-30 21:08:38</termCreatedDate><relation><relationType>UF</relationType><termId>31477668</termId><termName>hyalotype</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31467346</termId><termName>albumen prints</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31477662</termId><termName>crystalotypes</termName><termType>PT</termType></relation></term>  </Zthes>