About: http://webisa.webdatacommons.org/383162399

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	In devices of this nature a human being must preview each tape and insert a tone or other signal to indicate the positions at which the playback interval is to be interrupted.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com