About: http://webisa.webdatacommons.org/198398048

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	I also doubt that backup was a consideration, since if a Mac failed they would go to a backup Mac rather than insert the Twins power tubes.
http://www.w3.org/ns/prov#wasQuotedFrom	rukind.com