About: http://webisa.webdatacommons.org/112027992

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	Rotation may be accomplished manually, or through any well known automated device known in the art, including well known electronics, timing circuitry, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com