About: http://webisa.webdatacommons.org/151871184

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	In the first place, the cancelling device is claimed separately, consisting of a hollow tube, in which is inserted the cancelling type or blotter made of wood, cork, rubber, or other elastic substance.
http://www.w3.org/ns/prov#wasQuotedFrom	cornell.edu