Mariner's Compass

GPTKB entity

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