About: http://webisa.webdatacommons.org/66707813

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	A dark backing 34 of light absorbing material such as black velvet fills the field of view as seen through the mounted plate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com