Properties (57)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:Public_transportation_system
|
gptkbp:composedOf |
a circular disk
|
gptkbp:createdBy |
craftsmen
|
gptkbp:developedBy |
the Middle Ages
|
gptkbp:famousFor |
gptkb:the_Age_of_Exploration
|
gptkbp:hasInfluenceOn |
modern navigation instruments
|
https://www.w3.org/2000/01/rdf-schema#label |
mariner's astrolabe
|
gptkbp:improves |
European_navigators
|
gptkbp:includes |
an alidade
|
gptkbp:isAssociatedWith |
navigation challenges
traditional navigation methods exploration voyages |
gptkbp:isATypeOf |
astrolabe
|
gptkbp:isAvenueFor |
navigators
oceanographers nautical history medieval technology historical navigation technology |
gptkbp:isChallengedBy |
more advanced instruments
|
gptkbp:isConsidered |
a significant invention
cultural heritage item a precursor to the sextant a navigational classic a vital navigational aid |
gptkbp:isDiscussedIn |
time of day
|
gptkbp:isFoundIn |
maritime museums
|
gptkbp:isLedBy |
modern GPS
|
gptkbp:isMonitoredBy |
gptkb:ancient_Greeks
|
gptkbp:isNotableFor |
poor weather conditions
|
gptkbp:isOftenUsedIn |
educational settings
historical exhibitions maritime archaeology nautical collections |
gptkbp:isPartOf |
navigational tools
the history of navigation the evolution of navigation instruments |
gptkbp:isSimilarTo |
gptkb:planispheric_astrolabe
|
gptkbp:isUsedBy |
explorers
solar noon altitude of stars |
gptkbp:isUsedFor |
a sighting tube
latitude at sea measuring longitude |
gptkbp:isUsedIn |
maritime navigation
ocean navigation land navigation sailing practices |
gptkbp:keyFigures |
historical navigation techniques
|
gptkbp:madeOf |
brass
|
gptkbp:measures |
angle of celestial bodies
|
gptkbp:originatedIn |
Islamic_world
|
gptkbp:replacedBy |
sextant
|
gptkbp:requires |
clear skies
celestial navigation |
gptkbp:usedBy |
sailors
|
gptkbp:usedFor |
determining latitude
|
gptkbp:wasEstablishedIn |
ship's position
|