<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31371044</termId><termName>ferrogallic process</termName><termType>PT</termType><termNote><![CDATA[ An iron process largely used for reproducing technical drawings; produces an image in black. The image is developed out with gallic acid and is fixed by washing in water. ]]></termNote><termCreatedDate>2026-03-30 20:40:04</termCreatedDate><relation><relationType>UF</relationType><termId>31371045</termId><termName>black-line process</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31371046</termId><termName>blackline process</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31371047</termId><termName>ferro-gallic process</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31371048</termId><termName>ferro-tannic</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31371049</termId><termName>ferrogallic</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31371050</termId><termName>ink process</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31340283</termId><termName>light-sensitive reprographic processes</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31340504</termId><termName>iron processes</termName><termType>PT</termType></relation></term>  </Zthes>