About: http://webisa.webdatacommons.org/75750676

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	When a date was entered via a crank (now lost), the mechanism calculated the position of the Sun and Moon or other astronomical information, such as the locations of planets.
http://www.w3.org/ns/prov#wasQuotedFrom	patheos.com