About: http://webisa.webdatacommons.org/88515138

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	a third prism that deflects the light folded back by the second prism in a direction perpendicular to the second axis and along a plane including the incident optical axis,
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr