Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
marine chronometer
|
| gptkbp:countryOfOrigin |
gptkb:United_Kingdom
|
| gptkbp:displayedAt |
gptkb:Royal_Observatory,_Greenwich
|
| https://www.w3.org/2000/01/rdf-schema#label |
Harrison's H2 clock
|
| gptkbp:inventedBy |
gptkb:John_Harrison
|
| gptkbp:location |
gptkb:Royal_Observatory,_Greenwich
|
| gptkbp:material |
brass
|
| gptkbp:notableFeature |
anti-friction wheels
bar balances removable bimetallic strip |
| gptkbp:predecessor |
gptkb:Harrison's_H1_clock
|
| gptkbp:purpose |
solving the longitude problem
|
| gptkbp:significance |
early attempt at accurate marine timekeeping
|
| gptkbp:status |
gptkb:museum
|
| gptkbp:successor |
gptkb:Harrison's_H3_clock
|
| gptkbp:yearCompleted |
1741
|
| gptkbp:bfsParent |
gptkb:John_Harrison's_grasshopper_escapement
|
| gptkbp:bfsLayer |
8
|