About: http://webisa.webdatacommons.org/358821939

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	But, in 1779, chemist Carl Scheele made the discovery that it was a form of carbon and unrelated to lead.
http://www.w3.org/ns/prov#wasQuotedFrom	tigerpens.co.uk