About: http://webisa.webdatacommons.org/218525173

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	The present invention, in general, pertains to measuring instruments and, in particular, is an instrument for plotting the position of any predetermined object with respect to a known reference position.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com