About: http://webisa.webdatacommons.org/122159940

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	In olden days, felt and other hats were prepared with the aid of mercurous nitrate, a highly toxic substance which can produce a tremoring disease similar to Parkinson's disease.
http://www.w3.org/ns/prov#wasQuotedFrom	joe-ks.com