<?xml version="1.0" encoding="utf-8"?><metadata xmlns:dc="http://purl.org/dc/elements/1.1/"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dcterms="http://purl.org/dc/terms/"><dc:title xml:lang="en">dry collodion negatives</dc:title><dc:identifier>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31321020</dc:identifier><dc:language>en</dc:language><dc:publisher xml:lang="en">Getty Institute</dc:publisher><dcterms:created>2026-03-30 20:26:33</dcterms:created><dcterms:isPartOf xsi:type="dcterms:URI">http://AATesaurus.cultura.gencat.cat/aat/getty_en</dcterms:isPartOf><dcterms:isPartOf xml:lang="en">Tesaurus d&apos;Art i Arquitectura</dcterms:isPartOf><dc:format>text/html</dc:format> <dcterms:alternative xml:lang="en">collodion dry plate photonegatives</dcterms:alternative> <dcterms:alternative xml:lang="en">collodion dry plates</dcterms:alternative> <dcterms:alternative xml:lang="en">collodion negatives</dcterms:alternative> <dcterms:alternative xml:lang="en">collodion negatives, dry</dcterms:alternative> <dcterms:alternative xml:lang="en">collodion photonegatives</dcterms:alternative> <dcterms:alternative xml:lang="en">dry collodion glass negatives</dcterms:alternative> <dcterms:alternative xml:lang="en">dry collodion negative</dcterms:alternative> <dcterms:alternative xml:lang="en">dry collodion plates</dcterms:alternative> <dcterms:alternative xml:lang="en">dry plate negatives</dcterms:alternative> <dcterms:alternative xml:lang="en">dry plate photonegatives</dcterms:alternative> <dcterms:alternative xml:lang="en">preserved collodion negatives</dcterms:alternative> <dc:description xml:lang="en"><![CDATA[ Negatives produced by the dry collodion process, comprising several types developed between the mid-1850s and 1860s. These negatives were based on the same process as wet collodion negatives, but allowed for the plates to be prepared in advance, by adding a surface coating to the sensitized plates that kept the surface moist, extending the time between preparation and exposure. These plates required far longer exposure times and proved less popular that wet collodion negatives. ]]></dc:description></metadata>