About: http://webisa.webdatacommons.org/255923638

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	From the foregoing description it is clear that ringer isolator 64 keeps ringer 54 disconnected from ground except during the time that the central office ringing signal 122 is applied to ring the tip party's telephone 34.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com