About: http://webisa.webdatacommons.org/440063834

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	Thus it is possible to obtain such a sound as has a quality substantially equal to that of the sound provided by telephones.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com