About: http://webisa.webdatacommons.org/110895957

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	The other feature was a device for keeping a constant center of gravity whenever the flaps were extended.
http://www.w3.org/ns/prov#wasQuotedFrom	issuu.com