<?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">hydraulises</dc:title><dc:identifier>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31395137</dc:identifier><dc:language>en</dc:language><dc:publisher xml:lang="en">Getty Institute</dc:publisher><dcterms:created>2026-03-30 20:46:14</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">hydrauli</dcterms:alternative> <dcterms:alternative xml:lang="en">hydraulis</dcterms:alternative> <dcterms:alternative xml:lang="en">hydrauloi</dcterms:alternative> <dcterms:alternative xml:lang="en">hydraulus</dcterms:alternative> <dcterms:alternative xml:lang="en">hydrauluses</dcterms:alternative> <dc:description xml:lang="en"><![CDATA[ Ancient pneumatic organs in which water was used to control the wind pressure. They first developed in Greece in the 3rd century BCE and were in use throughout the Roman Empire. ]]></dc:description></metadata>