<?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">crystalotypes</topic></authority><related type="other"><topic>hyalotypes</topic></related><related type="broader"><topic>albumen prints</topic></related><variant type="other"><topic>chrystallotypes</topic></variant><variant type="other"><topic>crystallographs</topic></variant><variant type="other"><topic>crystallotypes</topic></variant><variant type="other"><topic>crystalotype</topic></variant> <note xml:lang="en"><![CDATA[ Positive albumen prints on paper from glass negatives; made by a process patented by J. A. Whipple of Boston in 1850. Distinguished from "hyalotypes" produced on glass by a similar process patented by the Langenheim brothers of Philadelphia. ]]></note></mads>