About: http://webisa.webdatacommons.org/258262318

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	With specific reference to Figs. 1 and 2 of the drawings, there is shown the block II], which may be of rigid material such as pulp board, wood, or the like, and may consist of solid or hollow material as desired.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es