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gptkbp:instanceOf
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Timekeeping device
|
|
gptkbp:accuracy
|
Seconds per month
|
|
gptkbp:awarded
|
Longitude prize
|
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gptkbp:category
|
Navigation instruments
Horology
Maritime technology
|
|
gptkbp:developedBy
|
18th century
|
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gptkbp:displayedAt
|
gptkb:National_Maritime_Museum
gptkb:Royal_Observatory,_Greenwich
|
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gptkbp:feature
|
High accuracy
Detent escapement
Gimbaled mounting
Temperature compensation
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Marine Chronometer
|
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gptkbp:influenced
|
Development of accurate clocks
Modern marine navigation
|
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gptkbp:influencedBy
|
gptkb:Pendulum_clock
gptkb:wristwatch
|
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gptkbp:inventedBy
|
gptkb:John_Harrison
|
|
gptkbp:material
|
gptkb:glass
Steel
Brass
|
|
gptkbp:notableExample
|
gptkb:H4_chronometer
|
|
gptkbp:operatedBy
|
Manual setting
Winding
|
|
gptkbp:patent
|
gptkb:John_Harrison
|
|
gptkbp:protectedBy
|
Gimbals
Shock absorbers
|
|
gptkbp:provides
|
Mechanical movement
|
|
gptkbp:relatedTo
|
gptkb:Longitude_problem
Navigation at sea
|
|
gptkbp:replacedBy
|
gptkb:Quartz_clock
gptkb:GPS
|
|
gptkbp:replacedInPracticeBy
|
Electronic navigation
|
|
gptkbp:significance
|
Enabled safe long-distance sea travel
Solved longitude problem
|
|
gptkbp:standardizedBy
|
gptkb:British_Admiralty
International maritime organizations
|
|
gptkbp:transportedIn
|
Wooden box
|
|
gptkbp:usedBy
|
Explorers
Sailors
Navies
|
|
gptkbp:usedFor
|
Navigation
Determining longitude
|
|
gptkbp:usedUntil
|
20th century
|
|
gptkbp:bfsParent
|
gptkb:Ulysse_Nardin
|
|
gptkbp:bfsLayer
|
6
|