About: http://webisa.webdatacommons.org/155564621

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 system is the largest of its kind and date known in Britain and is testimony
http://www.w3.org/ns/prov#wasQuotedFrom	british-history.ac.uk