About: http://webisa.webdatacommons.org/391914850

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	recorders have moving bars that indicate level, and a light or other signal that
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net