|
gptkbp:instance_of
|
gptkb:chronograph
|
|
gptkbp:achieved_accuracy
|
within seconds per day
|
|
gptkbp:associated_with
|
gptkb:Age_of_Sail
|
|
gptkbp:built_in
|
gptkb:England
|
|
gptkbp:constructed_in
|
brass and wood
|
|
gptkbp:contributed_to
|
development of timekeeping technology
|
|
gptkbp:contributed_to_safety
|
safer sea voyages
|
|
gptkbp:design_features
|
highly accurate timekeeping
|
|
gptkbp:first_successful_model
|
H4
|
|
gptkbp:historical_context
|
18th century maritime history
|
|
gptkbp:historical_impact
|
revolutionized maritime exploration
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
first practical marine chronometer
|
|
gptkbp:improved_navigation
|
enabled accurate sea travel
|
|
gptkbp:improves
|
accuracy of maritime maps
|
|
gptkbp:influenced
|
scientific understanding of time
subsequent marine chronometers
|
|
gptkbp:influenced_by
|
previous timekeeping devices
|
|
gptkbp:influenced_navigation
|
global exploration
|
|
gptkbp:inspired
|
future inventions in navigation
|
|
gptkbp:inspired_by
|
need for accurate navigation
|
|
gptkbp:invention
|
gptkb:John_Harrison_XX
1735
|
|
gptkbp:is_a_solution_for
|
longitude problem
|
|
gptkbp:is_recognized_as
|
a significant technological advancement
|
|
gptkbp:is_tested_for
|
gptkb:British_Admiralty
|
|
gptkbp:led_to
|
standardization of timekeeping at sea
|
|
gptkbp:legacy
|
foundation for modern navigation tools
|
|
gptkbp:mechanism_of_action
|
gptkb:Cafeteria
|
|
gptkbp:notable_features
|
temperature compensation
|
|
gptkbp:recognized_by
|
gptkb:Longitude_Act_of_1714
|
|
gptkbp:reign
|
maritime trade
|
|
gptkbp:related_to
|
gptkb:Harrison's_H4
|
|
gptkbp:replaced_by
|
more advanced chronometers
|
|
gptkbp:significance
|
solved the problem of calculating longitude
|
|
gptkbp:used_by
|
navigators at sea
|
|
gptkbp:used_for
|
determining longitude at sea
|
|
gptkbp:used_in
|
naval expeditions
|
|
gptkbp:was_a
|
key innovation in navigation
|
|
gptkbp:was_a_demonstration_of
|
sea trials
|
|
gptkbp:bfsParent
|
gptkb:H4_Chronometer
|
|
gptkbp:bfsLayer
|
5
|