About: http://webisa.webdatacommons.org/442016884

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	FIG. 11B is a perspective of the dual drive mechanism of FIG. 11A with the threaded shafts moved to different heights;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com