PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The light show projector of claim 1 wherein said focusing means comprises a focusing lens mounted within said housing, and further including means accessible from the exterior of said housing for variably positioning said focusing lens to select the focal length of said light beam.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com