PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • His truly unique discovery, in essence, regarded the fact that by elevating his transmitting and receiving antennas a fair distance above ground and grounding properly one end of the antenna he could transmit intelligible signals over the then astonishing distance of several kilometers even over such obstacles as walls and hills that should have been impossible to penetrate if the waves acted li
http://www.w3.org/ns/prov#wasQuotedFrom
  • marconisociety.org