Time ball
A time ball or timeball is an obsolete time-signalling device. It consists of a large, painted wooden or metal ball that is dropped at a predetermined time, principally to enable navigators aboard ships offshore to verify the setting of their marine chronometers. Accurate timekeeping is essential to the determination of longitude at sea. Although the use of time balls has been replaced by electronic time signals, some time balls have remained operational as historical tourist attractions.
Battle of Trafalgar
Blackhead Point
Britain Quay
Carkeek Observatory
Citadelle of Quebec
City Observatory
Clock Tower, Brighton
Deal Timeball
Edinburgh Castle
Fort Canning Lighthouse
Fort Glanville Conservation Park
Guildhall, Kingston upon Hull
Lyttelton, New Zealand
Lyttelton Timeball Station
Morrison Observatory
Nelson Monument, Edinburgh
Newcastle Customs House
Noon Gun
Nottingham Exchange
One Times Square
1853 in Scotland1908 Hong Kong typhoonBeaconCharles Piazzi SmythCharles Todd (pioneer)ClockFormer_Marine_Police_HeadquartersGrade II listed buildings in Brighton and Hove: C–DGreenwichGreenwich Mean TimeHong Kong TimeInternational Meridian ConferenceJohn PondJubilee clockList of heritage buildings and sites in Williamstown, VictoriaList of museums in KentList of objects dropped on New Year's EveMargateMarine chronometerNew Year's Eve
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Time ball
A time ball or timeball is an obsolete time-signalling device. It consists of a large, painted wooden or metal ball that is dropped at a predetermined time, principally to enable navigators aboard ships offshore to verify the setting of their marine chronometers. Accurate timekeeping is essential to the determination of longitude at sea. Although the use of time balls has been replaced by electronic time signals, some time balls have remained operational as historical tourist attractions.
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A time ball or timeball is an ...... istorical tourist attractions.
@en
Een tijdbal is een grote gever ...... ag om 13:00 neergelaten wordt.
@nl
En tidkula är en stor, målad k ...... för att bestämma sin longitud.
@sv
Kula czasu – urządzenie używan ...... trali Czasu w koło Frankfurtu.
@pl
O balão horário, também conhec ...... trações turísticas históricas.
@pt
Una esfera de señales horarias ...... cciones turísticas históricas.
@es
Una time ball (tradotta in ita ...... ve come attrazioni turistiche.
@it
Une boule horaire est une boul ...... t les quatre points cardinaux.
@fr
«Шар времени» (англ. Time ball ...... ой в Гринвичской обсерватории.
@ru
報時球是一個巨大且顏色鮮明的木製或金屬製大球，每天會在預定的 ...... 始），報時球顯得有點過時，因此有許多在1920年代被拆毀了。
@zh
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comment
A time ball or timeball is an ...... istorical tourist attractions.
@en
Een tijdbal is een grote gever ...... waarvan deze reeds bekend is.
@nl
En tidkula är en stor, målad k ...... för att bestämma sin longitud.
@sv
Kula czasu – urządzenie używan ...... jednoczonych i Nowej Zelandii.
@pl
O balão horário, também conhec ...... eterminada a longitude no mar.
@pt
Una esfera de señales horarias ...... longitud geográfica en el mar.
@es
Una time ball (tradotta in ita ...... ve come attrazioni turistiche.
@it
Une boule horaire est une boul ...... t les quatre points cardinaux.
@fr
«Шар времени» (англ. Time ball ...... ой в Гринвичской обсерватории.
@ru
報時球是一個巨大且顏色鮮明的木製或金屬製大球，每天會在預定的 ...... 始），報時球顯得有點過時，因此有許多在1920年代被拆毀了。
@zh
label
Balão horário
@pt
Boule horaire
@fr
Esfera de señales horarias
@es
Kula czasu
@pl
Tidkula
@sv
Tijdbal
@nl
Time ball
@en
Time ball
@it
Zeitball
@de
Шар времени
@ru