About: http://webisa.webdatacommons.org/399574479

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. 8 is a different arrangement using the same parts with the addition of an all directional light detector 17 as shown in FIG. 11 and with the field in the first quadrant of the coordinate system.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com