About: http://webisa.webdatacommons.org/399931580

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	Within six months, mostly due to M. Charles, the balloon had been nearly perfected.
http://www.w3.org/ns/prov#wasQuotedFrom	indiana.edu