About: http://webisa.webdatacommons.org/76475472

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	Until the end of the 1920s Boeing was concerned mainly with manufacturing planes for the military and U.S. Postal Service.
http://www.w3.org/ns/prov#wasQuotedFrom	learnstuff.com