K1
E785578
K1 is the first highly accurate marine chronometer built by Larcum Kendall in the 18th century, famous for its role in improving longitude determination at sea.
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf | marine chronometer ⓘ |
| accuracy | within a few seconds per day under marine conditions ⓘ |
| basedOn | John Harrison's H4 marine timekeeper NERFINISHED ⓘ |
| category | 18th-century scientific instrument ⓘ |
| chronology | first of Larcum Kendall's K-series chronometers ⓘ |
| commissionedBy | British Board of Longitude NERFINISHED ⓘ |
| countryOfOrigin | Kingdom of Great Britain ⓘ |
| designedToReplicate | Harrison H4 NERFINISHED ⓘ |
| displayType | analog dial ⓘ |
| era | Age of Sail ⓘ |
| escapementType | detent escapement ⓘ |
| field |
horology
ⓘ
navigation ⓘ |
| followedBy |
K2
NERFINISHED
ⓘ
K3 ⓘ |
| historicalSignificance | helped demonstrate practicality of chronometer method for longitude ⓘ |
| inception | 18th century ⓘ |
| manufacturer | Larcum Kendall NERFINISHED ⓘ |
| material | brass ⓘ |
| movementType | spring-driven ⓘ |
| notableFor |
high accuracy in marine navigation
ⓘ
role in solving the longitude problem ⓘ |
| powerReserve | approximately 30 hours ⓘ |
| purpose | to provide a stable time reference for celestial navigation ⓘ |
| regulatorType | balance wheel ⓘ |
| technologyType | mechanical clockwork ⓘ |
| use | determination of longitude at sea ⓘ |
| usedBy | Royal Navy ⓘ |
| usedIn | long-distance sea voyages ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.