About: http://webisa.webdatacommons.org/183957435

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. 6 is a schematic representation of an optical system wherein the first and second lenses are in an enlarging configuration in accordance with the principles of this invention.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr