Statements (21)
Predicate | Object |
---|---|
gptkbp:instanceOf |
scientific instrument
|
gptkbp:alsoKnownAs |
magnetic compass
|
gptkbp:category |
gptkb:navigation
scientific instrument maritime technology |
gptkbp:component |
gptkb:gimbal
housing magnetized needle compass card lubber line |
https://www.w3.org/2000/01/rdf-schema#label |
Mariner's Compass
|
gptkbp:inventedBy |
gptkb:China
11th century |
gptkbp:principle |
magnetism
|
gptkbp:replacedBy |
gyrocompass
electronic compass |
gptkbp:shows |
direction relative to Earth's magnetic poles
|
gptkbp:usedBy |
mariners
|
gptkbp:usedFor |
gptkb:navigation
|
gptkbp:bfsParent |
gptkb:parade
|
gptkbp:bfsLayer |
4
|