About: http://webisa.webdatacommons.org/427810061

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	Gimbals are also extremely valuable in shipboard and aircraft environments, when measuring instruments such as chronometers and compasses must be kept level with the horizon.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.com