About: http://webisa.webdatacommons.org/396230055

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	After the film holder has been turned through a total angle of n ??, where n is an integer, the azimuth is changed by an angle ??, and the same sequence of subject changes, elevation angle changes and exposures again made, and so on.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com