H1 marine timekeeper
E1157774
UNEXPLORED
H1 marine timekeeper is John Harrison’s pioneering 18th-century sea clock, created to solve the problem of determining longitude accurately at sea.
All labels observed (1)
| Label | Occurrences |
|---|---|
| H1 marine timekeeper canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T15452968 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: H1 marine timekeeper Context triple: [John Harrison, notableWork, H1 marine timekeeper]
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A.
Chronometer
Chronometer is an experimental 1971 electronic composition by Harrison Birtwistle that explores complex rhythmic structures using recorded clock sounds.
-
B.
Aquatimer
Aquatimer is IWC Schaffhausen’s line of professional dive watches known for robust construction, high water resistance, and distinctive rotating bezels.
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C.
Larcum Kendall K1 chronometer
The Larcum Kendall K1 chronometer was an 18th-century marine timekeeper, closely modeled on John Harrison’s H4, that famously demonstrated the practicality of accurate longitude determination at sea.
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D.
Ten Hours Movement
The Ten Hours Movement was a 19th-century British social reform campaign that sought to limit the working day in factories, especially for women and children, to ten hours.
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E.
Zenith
Zenith is a global media agency network specializing in media planning and buying, operating as part of the French advertising and communications conglomerate Publicis Groupe.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: H1 marine timekeeper Target entity description: H1 marine timekeeper is John Harrison’s pioneering 18th-century sea clock, created to solve the problem of determining longitude accurately at sea.
-
A.
Chronometer
Chronometer is an experimental 1971 electronic composition by Harrison Birtwistle that explores complex rhythmic structures using recorded clock sounds.
-
B.
Aquatimer
Aquatimer is IWC Schaffhausen’s line of professional dive watches known for robust construction, high water resistance, and distinctive rotating bezels.
-
C.
Larcum Kendall K1 chronometer
The Larcum Kendall K1 chronometer was an 18th-century marine timekeeper, closely modeled on John Harrison’s H4, that famously demonstrated the practicality of accurate longitude determination at sea.
-
D.
Ten Hours Movement
The Ten Hours Movement was a 19th-century British social reform campaign that sought to limit the working day in factories, especially for women and children, to ten hours.
-
E.
Zenith
Zenith is a global media agency network specializing in media planning and buying, operating as part of the French advertising and communications conglomerate Publicis Groupe.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.