Related terms:
foliot
detent
sextant
horology
timepiece
stopwatch
escapement
gear train
mainspring
timekeeping
chronograph
timekeepers
escape wheel
balance wheel
john harrison
lunar distance
balance spring
pendulum clock
dead reckoning
oyster perpetual
lever escapement
rolex submariner
lines of position
mechanical clocks
duplex escapement
above the horizon
marine chronometer
celestial navigation
satellite navigation
grasshopper escapement
Wikipedia sources:
Marine chronometer
Watch
Navigation
John Harrison
Clock
Rolex
Escapement
Time
Celestial navigation
Chronograph
James Cook
Rolex Submariner
18th century
Context for words:
chronometer
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