Harrison's marine chronometer
GPTKB entity
Statements (28)
Predicate | Object |
---|---|
gptkbp:instanceOf |
marine chronometer
|
gptkbp:accuracy |
within a few seconds over weeks at sea
|
gptkbp:award |
Longitude prize
|
gptkbp:awardedBy |
gptkb:Board_of_Longitude
|
gptkbp:category |
gptkb:navigation
scientific instrument |
gptkbp:displayedAt |
gptkb:National_Maritime_Museum
|
gptkbp:first_successful_model |
H4
|
gptkbp:hasModel |
gptkb:H1
H3 H2 H4 |
https://www.w3.org/2000/01/rdf-schema#label |
Harrison's marine chronometer
|
gptkbp:influenced |
development of marine navigation
|
gptkbp:inventedBy |
gptkb:John_Harrison
1761 |
gptkbp:location |
gptkb:Royal_Observatory,_Greenwich
|
gptkbp:material |
brass
|
gptkbp:mechanismOfAction |
escapement
remontoire spring balance temperature compensation |
gptkbp:purpose |
determine longitude at sea
|
gptkbp:significance |
solved longitude problem
|
gptkbp:used_in |
gptkb:Royal_Navy
James Cook |
gptkbp:bfsParent |
gptkb:Pendulum_clock
|
gptkbp:bfsLayer |
8
|