Statements (24)
Predicate | Object |
---|---|
gptkbp:instanceOf |
scientific instrument
|
gptkbp:alternativeName |
magnetic compass
|
gptkbp:compatibleWith |
electricity
|
gptkbp:component |
housing
magnetic needle compass card |
gptkbp:detects |
Earth's magnetic field
|
https://www.w3.org/2000/01/rdf-schema#label |
mariner's compass
|
gptkbp:indication |
magnetic north
|
gptkbp:inventedBy |
gptkb:China
11th century |
gptkbp:relatedTo |
gptkb:explorer
gptkb:navigation cartography |
gptkbp:replacedBy |
gyrocompass
|
gptkbp:requires |
magnetism
|
gptkbp:usedBy |
sailors
mariners |
gptkbp:usedFor |
gptkb:navigation
|
gptkbp:usedOn |
ships
boats |
gptkbp:bfsParent |
gptkb:Pyxis
gptkb:Portuguese_Discoveries |
gptkbp:bfsLayer |
7
|