About: http://webisa.webdatacommons.org/47819341

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. 2 is a side elevational view in partial cross-section taken along lines 2--2 of FIG. 1 illustrating the present valve operating mechanism in an opened position;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com