About: http://webisa.webdatacommons.org/445238312

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	As previously indicated first or emitter electrodes can be lengths of tungsten wire, whereas electrodes are formed from sheet metal, such as stainless steel, although brass or other sheet metal could be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es