About: http://webisa.webdatacommons.org/158856897

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 method according to claim 15, including varying the diameter of the variable aperture stop in order to obtain maximum contrast between the different materials in the image of the inspected article.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk