About: http://webisa.webdatacommons.org/243704810

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	Current San Francisco cable cars use a large bell operated by the gripman to warn pedestrians and other vehicles, and to communicate with the conductor.
http://www.w3.org/ns/prov#wasQuotedFrom	cable-car-guy.com