About: http://webisa.webdatacommons.org/123232122

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 232 can be lengths of tungsten wire, whereas collector electrodes 242 can be 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.com.au