About: http://webisa.webdatacommons.org/174376299

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 grinding stone shaft 58 may vary in length, diameter and material and may be attached in other than threading ways to the rod 51, for example, by use of a set screw.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com