About: http://webisa.webdatacommons.org/158816616

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	The controller 38 may be connected to a source of electrical power, such as a battery, not shown, or a household electrical circuit, and suitable transformer and rectifier, if required, also not shown.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com