About: navigational instrument

Premodifier: navigational
Head noun: instrument

Same concepts
http://dbpedia.org/resource/Navigational_instrument

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
compass	isap:243371527	0.599904
sextant	isap:244954466	0.580742
astrolabe	isap:43954645	0.458389
quadrant	isap:180745657	0.444314
gp	isap:265333392	0.353266
octant	isap:17697739	0.304586