<http://webisa.webdatacommons.org/172049843>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<donsmaps.com> .
<http://webisa.webdatacommons.org/172049843>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/172049843>	<http://www.w3.org/ns/prov#value>	"They were prepared before use by a kind of coarse grinding and by mixing with water, as M. Moissan established by examining samples of these pigments which we submitted to him." .
<http://webisa.webdatacommons.org/prov/471059169>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/172049843> .