John Harrison's marine chronometer
GPTKB entity
Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
marine chronometer
|
| gptkbp:alsoKnownAs |
gptkb:H1
|
| gptkbp:awarded |
Board of Longitude prize
|
| gptkbp:category |
gptkb:navigation
|
| gptkbp:displayedAt |
gptkb:National_Maritime_Museum
|
| gptkbp:first_completed |
1735
|
| https://www.w3.org/2000/01/rdf-schema#label |
John Harrison's marine chronometer
|
| gptkbp:influenced |
development of accurate timekeeping at sea
|
| gptkbp:inventedBy |
gptkb:John_Harrison
|
| gptkbp:location |
gptkb:Royal_Observatory,_Greenwich
|
| gptkbp:material |
brass
|
| gptkbp:mechanismOfAction |
grasshopper escapement
remontoire spring balance |
| gptkbp:purpose |
determining longitude at sea
|
| gptkbp:significance |
solved the longitude problem
|
| gptkbp:successor |
H3
H2 H4 |
| gptkbp:used_in |
gptkb:British_Navy
|
| gptkbp:bfsParent |
gptkb:Abraham-Louis_Breguet's_marine_chronometers
|
| gptkbp:bfsLayer |
8
|