mariner's compass

GPTKB entity

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