About: http://webisa.webdatacommons.org/275886072

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	Talking calculators, watches, and other assisted devices for the blind are of immense help.
http://www.w3.org/ns/prov#wasQuotedFrom	pbs.org