PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The oscillator in this case is different from the one I have previously described, because instead of being constituted of two spheres it is made of two hemispheres e e separated by a small space filled with oil or other dielectric.
http://www.w3.org/ns/prov#wasQuotedFrom
  • earlyradiohistory.us