About: http://webisa.webdatacommons.org/248803393

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	I Since the camera is rotating and only a small strip of the film is exposed to the light-rays, a shutter is not needed, except for the operation of rewinding the exposed film if the window F is not automatically closed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com