About: http://webisa.webdatacommons.org/180432611

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	When the automatic telephone switching system was developed, electronics was mostly electromechanical -- relays and switches and capacitors, gears and springs and solenoids.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com