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John Harrison
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18th-century clockmaker John Harrison vindicated by 'perfect clock'
Clockmaker John Harrison vindicated 250 years after ‘absurd’ claims
Grasshopper Escapements
Gridiron Pendulums
H4 (Fourth Marine Chronometer, 1761)
History of the Royal Navy - Wooden Walls (1600-1805)
Longitude
Longitude: The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time (2007)
Reviving Forgotten Science to Build the World's Most Accurate Pendulum Clock
The Carpenter Who Outsmarted Newton