About: http://webisa.webdatacommons.org/332728607

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	Plates 8 and 9 show deviances detectable only when the dimension in question is checked against known standard edges with a perpendicular base, or perfectly flat surface, by such tools as an engine-divided square and surface plate.
http://www.w3.org/ns/prov#wasQuotedFrom	bmaf.org