About: http://webisa.webdatacommons.org/166557903

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	The mechanical-based event marker signals can be transmitted to an external device for display, processing or other usage.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com