Statements (15)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
marine chronometer
|
| gptkbp:countryOfOrigin |
gptkb:United_Kingdom
|
| gptkbp:designedBy |
gptkb:John_Harrison
|
| https://www.w3.org/2000/01/rdf-schema#label |
H2 marine chronometer
|
| gptkbp:location |
gptkb:Royal_Observatory,_Greenwich
|
| gptkbp:material |
brass
|
| gptkbp:notableFeature |
anti-friction wheels
paired bar balances |
| gptkbp:predecessor |
gptkb:H1_marine_chronometer
|
| gptkbp:purpose |
to determine longitude at sea
|
| gptkbp:status |
preserved
|
| gptkbp:successor |
gptkb:H3_marine_chronometer
|
| gptkbp:yearCompleted |
1741
|
| gptkbp:bfsParent |
gptkb:John_Harrison
|
| gptkbp:bfsLayer |
6
|