About: http://webisa.webdatacommons.org/54910719

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 spaces between the light cells provide dark regions which can act as guidelines such as for writing paper placed over the assembly for writing purposes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com