Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:navigation
|
| gptkbp:affects |
magnetic variation
magnetic deviation |
| gptkbp:alternativeTo |
gyrocompass
electronic compass |
| gptkbp:calibratedBy |
compass adjuster
|
| gptkbp:component |
magnetic needle
compass card gimbal mount liquid-filled housing |
| gptkbp:detects |
Earth's magnetic field
|
| gptkbp:enables |
determining direction at sea
|
| https://www.w3.org/2000/01/rdf-schema#label |
marine compasses
|
| gptkbp:inventedBy |
11th century
Chinese navigators |
| gptkbp:regulates |
gptkb:International_Maritime_Organization
|
| gptkbp:replacedBy |
celestial navigation
|
| gptkbp:type |
gptkb:navigation
|
| gptkbp:usedFor |
marine navigation
|
| gptkbp:usedOn |
ships
boats |
| gptkbp:bfsParent |
gptkb:gimbal
|
| gptkbp:bfsLayer |
6
|