About: http://webisa.webdatacommons.org/91363421

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 FIG. 4, the mounting means 30 for mounting ruler 18 on upper member 14 is schematically shown as a rivet or pin 30; however, other mounting means such as a screw and nut may be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com