About: http://webisa.webdatacommons.org/161438505

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	Attempts have been made to provide instructional equipment for training individuals to use the telephone, but such devices have been extremely limited, principally because they do not realistically simulate use of an actual telephone.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com