H2 marine timekeeper
E1159570
UNEXPLORED
The H2 marine timekeeper is John Harrison’s second experimental sea clock, designed in the 18th century to improve the accuracy of determining longitude at sea.
All labels observed (1)
| Label | Occurrences |
|---|---|
| H2 marine timekeeper canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T15452969 — 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: H2 marine timekeeper Context triple: [John Harrison, notableWork, H2 marine timekeeper]
-
A.
H1 marine timekeeper
H1 marine timekeeper is John Harrison’s pioneering 18th-century sea clock, created to solve the problem of determining longitude accurately at sea.
-
B.
Chronometer
Chronometer is an experimental 1971 electronic composition by Harrison Birtwistle that explores complex rhythmic structures using recorded clock sounds.
-
C.
Aquatimer
Aquatimer is IWC Schaffhausen’s line of professional dive watches known for robust construction, high water resistance, and distinctive rotating bezels.
-
D.
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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E.
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.
- 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: H2 marine timekeeper Target entity description: The H2 marine timekeeper is John Harrison’s second experimental sea clock, designed in the 18th century to improve the accuracy of determining longitude at sea.
-
A.
H1 marine timekeeper
H1 marine timekeeper is John Harrison’s pioneering 18th-century sea clock, created to solve the problem of determining longitude accurately at sea.
-
B.
Chronometer
Chronometer is an experimental 1971 electronic composition by Harrison Birtwistle that explores complex rhythmic structures using recorded clock sounds.
-
C.
Aquatimer
Aquatimer is IWC Schaffhausen’s line of professional dive watches known for robust construction, high water resistance, and distinctive rotating bezels.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.