Larcum Kendall
E785576
Larcum Kendall was an 18th-century English watchmaker renowned for crafting highly accurate marine chronometers that advanced long-distance sea navigation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Larcum Kendall canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T9215351 — 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: Larcum Kendall Context triple: [Larcum Kendall K1 chronometer, designer, Larcum Kendall]
-
A.
George Cooke
George Cooke is a relatively common English personal name shared by multiple notable individuals across fields such as politics, sports, and the arts.
-
B.
Augustus Short
Augustus Short was a 19th-century Anglican bishop who became the first Bishop of Adelaide and played a key role in establishing the Church of England and educational institutions in South Australia.
-
C.
Charles Harrison Mason
Charles Harrison Mason was an influential African American Holiness–Pentecostal minister who became the leading figure of early Pentecostalism in the United States.
-
D.
Ozias Humphry
Ozias Humphry was an 18th-century English portrait painter and miniaturist known for his refined style and for depicting prominent figures of his time.
-
E.
William Peachey
William Peachey was a 19th-century British architect known for his work on major railway buildings, including the design of York railway station.
- 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: Larcum Kendall Target entity description: Larcum Kendall was an 18th-century English watchmaker renowned for crafting highly accurate marine chronometers that advanced long-distance sea navigation.
-
A.
George Cooke
George Cooke is a relatively common English personal name shared by multiple notable individuals across fields such as politics, sports, and the arts.
-
B.
Augustus Short
Augustus Short was a 19th-century Anglican bishop who became the first Bishop of Adelaide and played a key role in establishing the Church of England and educational institutions in South Australia.
-
C.
Charles Harrison Mason
Charles Harrison Mason was an influential African American Holiness–Pentecostal minister who became the leading figure of early Pentecostalism in the United States.
-
D.
Ozias Humphry
Ozias Humphry was an 18th-century English portrait painter and miniaturist known for his refined style and for depicting prominent figures of his time.
-
E.
William Peachey
William Peachey was a 19th-century British architect known for his work on major railway buildings, including the design of York railway station.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
person
ⓘ
watchmaker ⓘ |
| apprenticeship | apprenticed as a watchmaker in London ⓘ |
| basedOn | John Harrison’s H4 design NERFINISHED ⓘ |
| birthDate | 1719-09-21 ⓘ |
| birthPlace | Charlbury, Oxfordshire, England NERFINISHED ⓘ |
| chronometerK1Accuracy | sufficient for precise longitude determination on long voyages ⓘ |
| chronometerK1Cost | very expensive to produce ⓘ |
| chronometerK2Characteristic | simplified and cheaper than K1 ⓘ |
| chronometerK3Characteristic | further development of his marine timekeepers ⓘ |
| commissionedBy | Board of Longitude NERFINISHED ⓘ |
| contributedTo |
improvement of long-distance sea navigation
ⓘ
solution of the longitude problem ⓘ |
| countryOfCitizenship | Kingdom of Great Britain ⓘ |
| deathDate | 1790-11-22 ⓘ |
| deathPlace | London, England ⓘ |
| designed |
marine chronometer K1
NERFINISHED
ⓘ
marine chronometer K2 NERFINISHED ⓘ marine chronometer K3 NERFINISHED ⓘ |
| employer | British Admiralty NERFINISHED ⓘ |
| era | 18th century ⓘ |
| fieldOfWork |
horology
ⓘ
marine chronometers ⓘ |
| influenced | later marine chronometer makers ⓘ |
| influencedBy | John Harrison NERFINISHED ⓘ |
| K1Purpose | testing longitude determination at sea ⓘ |
| K1UsedBy | James Cook NERFINISHED ⓘ |
| K1UsedOn | James Cook’s second voyage ⓘ |
| K1VoyageDates | 1772–1775 ⓘ |
| knownFor |
chronometer K1
NERFINISHED
ⓘ
chronometer K2 NERFINISHED ⓘ chronometer K3 NERFINISHED ⓘ copying John Harrison’s H4 marine timekeeper ⓘ high-accuracy marine chronometers ⓘ |
| languageOfWorkOrName | English ⓘ |
| memberOf | Worshipful Company of Clockmakers NERFINISHED ⓘ |
| name | Larcum Kendall NERFINISHED ⓘ |
| nationality | English ⓘ |
| notableWork |
K1 marine chronometer
NERFINISHED
ⓘ
K2 marine chronometer NERFINISHED ⓘ K3 marine chronometer NERFINISHED ⓘ |
| occupation |
horologist
ⓘ
watchmaker ⓘ |
| residence |
London, England
ⓘ
surface form:
London
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Larcum Kendall Description of subject: Larcum Kendall was an 18th-century English watchmaker renowned for crafting highly accurate marine chronometers that advanced long-distance sea navigation.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.