About: http://webisa.webdatacommons.org/377251314

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	Apparatus such as shown in Figs. 2 and 3 may be used to control the operation as desired.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com