About: http://webisa.webdatacommons.org/214081014

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	He manufactured scientific instruments, including air pumps, hydrostatic balances, and reflecting telescopes.
http://www.w3.org/ns/prov#wasQuotedFrom	todayinsci.com