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gptkbp:instance_of
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gptkb:chronograph
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gptkbp:awarded_for
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gptkb:Longitude_Prize
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gptkbp:constructed_in
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gptkb:steel
gptkb:wood
brass
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gptkbp:developed_by
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gptkb:18th_century
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gptkbp:exhibited_at
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gptkb:Royal_Observatory,_Greenwich
gptkb:National_Maritime_Museum
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gptkbp:fourth_model
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H4
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gptkbp:historical_context
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Age of Enlightenment
development of navigation techniques
scientific advancements in the 18th century
exploration of the Pacific Ocean
British naval expansion
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https://www.w3.org/2000/01/rdf-schema#label
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Harrison's series of chronometers
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gptkbp:influenced
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marine navigation
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gptkbp:inspired
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chronometer manufacturers
future timekeeping devices
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gptkbp:invention
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gptkb:John_Harrison_XX
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gptkbp:legacy
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improved maritime safety
advancements in horology
influenced the design of modern clocks
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gptkbp:mechanism_of_action
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gptkb:Pendulum
spring-driven
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gptkbp:model
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gptkb:H1
H2
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gptkbp:notable_feature
|
high precision
temperature compensation
isolation from ship's motion
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gptkbp:notable_users
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gptkb:explorers
gptkb:British_Navy
gptkb:scientists
gptkb:navigation
gptkb:traders
commercial shipping
mariners
scientific expeditions
adventurers
naval expeditions
exploratory missions
voyages of discovery
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gptkbp:performance
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within seconds over long voyages
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gptkbp:recognized_by
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gptkb:British_government
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gptkbp:significance
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solved the problem of longitude
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gptkbp:third_model
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H3
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gptkbp:used_for
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determining longitude at sea
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gptkbp:bfsParent
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gptkb:H4_chronometer
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gptkbp:bfsLayer
|
5
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