About: http://webisa.webdatacommons.org/76667546

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	At 1 mm Hg, the tube is mostly filled with a glow extending from the positive electrode.
http://www.w3.org/ns/prov#wasQuotedFrom	citycollegiate.com