mariner's astrolabe

GPTKB entity

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