<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">gum bichromate process</topic></authority><related type="broader"><topic>bichromate processes</topic></related><variant type="other"><topic>bi-gum</topic></variant><variant type="other"><topic>bi-gum process</topic></variant><variant type="other"><topic>bichromate, gum</topic></variant><variant type="other"><topic>gum bichromate</topic></variant><variant type="other"><topic>gum bichromate method</topic></variant><variant type="other"><topic>gum bichromate printing</topic></variant><variant type="other"><topic>gum bichromate printing process</topic></variant><variant type="other"><topic>gum dichromate</topic></variant><variant type="other"><topic>gum printing</topic></variant><variant type="other"><topic>gum process</topic></variant><variant type="other"><topic>gum-bichromate</topic></variant><variant type="other"><topic>gum-bichromate process</topic></variant><variant type="other"><topic>gum-pigment process</topic></variant><variant type="other"><topic>printing, gum</topic></variant> <note xml:lang="en"><![CDATA[ A process to make photographic prints using a colloid emulsion of bichromated gum arabic as the binder and pigment as the final image material. The image is formed as the emulsion hardens in relation to exposure and is developed by washing away the unhardened emulsion to reveal the support, forming the highlights and midtones. ]]></note></mads>