About: http://webisa.webdatacommons.org/427602242

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	With reference now to the drawings, and particularly to FIG. 1, there is shown a typical direct current power supply of the type with which the present invention may be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk