About: http://webisa.webdatacommons.org/313695771

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	A system control unit (SCU) was typically used to send information signals such as video to one of the CRTs.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com