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Time ball

A time ball is a large, wooden or metal ball that moves up and down a pole, and which is dropped at a predetermined time of day. Because precise timekeeping is essential to the determination of longitude at sea, time balls were principally erected to allow navigators aboard nearby ships to synchronize their marine chronometers with a reference time…

History, Around the world & Gallery

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Overview

History

Around the world

Gallery

Advanced semantic analysis

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Map overview Semantic statistics

Time ball

Nodes77
Edges76
Triples151
Avg. degree1.97
Density0.025974
Components1

How this topic connects Entity context

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Time ball

Top relations

related to New Zealand · 34
Time ball → April, Attempts, Auckland, August, Canterbury, Christchurch, December, Established, February, Ferry Building, Further, In, In March, In November, It, June, Lyttelton, Lyttelton Timeball Station, March, May
related to United Kingdom · 26
Time ball → Added, Brighton, Calton Hill, Clock Tower, Deal, East Sussex, Edinburgh, England, EnglandGuildhall, EnglandRoyal Observatory, EnglandTime Ball Buildings, Greenwich, Hull, It, Kent, Kingston, Leeds, Margate Clock Tower, Merseyside, Nelson's Monument
related to Gallery · 25
Time ball → Australia, Brighton, Cape Town, Deal, Edinburgh, Hull, Kent, Kingston, Madrid, Margate, PolandGothenburg, Post Office, South AfricaTime, SpainClock, SwedenGuildhall, The Nelson Monument, UKClock, UKGdańsk, UKRoyal House, UKTime
related to history · 23
Time ball → American, Astronomer Royal, England, Following, French, Greenwich Observatory, John Pond, Liverpool, London, Observatory, One, Originally, Others, Portsmouth, Robert Wauchope, Royal Navy, Thames, The, The United States Naval, Time
related to Spain · 14
Time ball → After, Armada, Cádiz, Madrid, New Year's Eve, Observatorio, Post Office, Puerta, ROA Time, San Fernando, Sol, The, The Real Instituto, The Royal House
related to External links · 9
Time ball → Association, Congress, Executive Documents, House Documents, Index, List, Otherwise Publ, Time, Timeballs
related to Canada · 6
Time ball → Ball House, Building, Citadelle, Clearly, Quebec, Quebec City
see also · 6
Time ball → Blackhead Point, Gate ClockTime, GMT, Hong Kong, Mean Time, Times Square Ball
related to Poland · 5
Time ball → Danzig, Gdańsk, In, Poland, The
related to Around the world · 2
Time ball → Existing, Over

Important terminology Word statistics

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Important terminology

time ball observatory balls new building tower service house united station operated england royal 1876 signals states clock first established

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Time ballis alarge0.90text
Time ballrelated to Around the worldOver0.60section
Time ballrelated to Around the worldExisting0.60section
Time ballrelated to CanadaCitadelle0.60section
Time ballrelated to CanadaQuebec0.60section
Time ballrelated to CanadaQuebec City0.60section
Time ballrelated to CanadaClearly0.60section
Time ballrelated to CanadaBuilding0.60section
Time ballrelated to CanadaBall House0.60section
Time ballrelated to External linksList0.60section
Time ballrelated to External linksTimeballs0.60section
Time ballrelated to External linksIndex0.60section

Related concept clusters Concept neighborhoods

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    Connections between topic areas Semantic bridges

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    Min side: 3
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