<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31321000</termId><termName>wet collodion negatives</termName><termType>PT</termType><termNote><![CDATA[ Negatives produced by the wet collodion process.The glass plates remain wet with silver iodide droplets during exposure to light. These negatives are created by pouring collodion onto a clean piece of clear glass to produce an even coating. Before the ether and alcohol evaporates from the collodion, the plate is dipped into a solution of silver nitrate in a darkroom. The silver nitrate bonds with the potassium iodide in the collodion to produce light-sensitive silver iodide. After exposure the plates are developed in a solution of pyrogallic and acetic acids, washed, fixed, dried and varnished. ]]></termNote><termCreatedDate>2026-03-30 20:26:32</termCreatedDate><relation><relationType>UF</relationType><termId>31321005</termId><termName>collodion wet-plate photonegatives</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31321006</termId><termName>negatives, wet collodion</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31321007</termId><termName>wet collodion glass negatives</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31321008</termId><termName>wet collodion negative</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31321009</termId><termName>wet collodion plates</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31321010</termId><termName>wet plate negatives</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31321011</termId><termName>wet plate photonegatives</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31321012</termId><termName>wet-collodion glass negatives</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31321013</termId><termName>wet-collodion negatives</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31321014</termId><termName>wet-plate negatives</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31321015</termId><termName>wet-plate photonegatives</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31321001</termId><termName>collodion negatives</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31321002</termId><termName>collodion negatives, wet</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31321003</termId><termName>collodion photonegatives</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31321004</termId><termName>collodion wet plate photonegatives</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31431548</termId><termName>negatives by process</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31431552</termId><termName>glass plate negatives</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31306310</termId><termName>plates</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31371034</termId><termName>collodion</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31467346</termId><termName>albumen prints</termName><termType>PT</termType></relation></term>  </Zthes>