About: http://webisa.webdatacommons.org/406997681

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 result was an airtight rectangular chamber with the front plate attached with a flexible airtight gasket, connected to a cylindrical tube with one end open to the outside atmosphere on the top plate of the chamber.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk