About: http://webisa.webdatacommons.org/412733312

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Perhaps it had to do with the ???vehicle??????that is to say the oil or other liquid with which the ground pigment was mixed.
http://www.w3.org/ns/prov#wasQuotedFrom	nybooks.com