About: http://webisa.webdatacommons.org/193936847

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	Magnifying glasses of old were mostly used by doctors and scientists.
http://www.w3.org/ns/prov#wasQuotedFrom	seeitbigger.com