About: http://webisa.webdatacommons.org/281721080

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	The device herein described is particularly useful with a a, hard water containing calcium salts, herein called cal 5 'careous water.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com