About: http://webisa.webdatacommons.org/336313925

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. 7 is a typical oscillographic record showing an out-of-track condition of a two-bladed rotor, identification signals used to identify a particular blade, and showing the application and removal of a calibration signal.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk