About: http://webisa.webdatacommons.org/283871989

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	The techniques that were cheap and more accessible such as double exposure were limited in their precision.
http://www.w3.org/ns/prov#wasQuotedFrom	remixtheory.net