About: http://webisa.webdatacommons.org/23169616

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	They had a helium machine there at that time, one of the earliest in the world.
http://www.w3.org/ns/prov#wasQuotedFrom	ethw.org