About: http://webisa.webdatacommons.org/289952318

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	It is, of course, generally known to provide a firearm with an aiming system, such as a sight guide or view finder.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com