About: http://webisa.webdatacommons.org/418145884

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 slate and stylus is a small, mechanical device used for writing braille by hand.
http://www.w3.org/ns/prov#wasQuotedFrom	brailleauthority.org