About: http://webisa.webdatacommons.org/292793313

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 an aspect of the catadioptric objective design similar to that presented in FIG. 4 of U.S. Pat. No. 6,483,638;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com