Видео с ютуба John Harrison Chronometer

A Detailed Study of H4 - John Harrison's Longitude Timekeeper Reconstruction

A Detailed Study of H4 - John Harrison's Longitude Timekeeper Reconstruction
John Harrison's

John Harrison's "H2" clock in action
The First Chronometer. John Harrison & The Clock That Changed the World

The First Chronometer. John Harrison & The Clock That Changed the World
The Clock That Changed the World (BBC History of the World)

The Clock That Changed the World (BBC History of the World)
John Harrison's

John Harrison's "H1" clock in action
The Longitude Problem - Improving Navigation with the Harrison Clocks

The Longitude Problem - Improving Navigation with the Harrison Clocks
The longitude problem: history's deadliest riddle

The longitude problem: history's deadliest riddle
Longitude - TV movie 2000

Longitude - TV movie 2000
A model of the remontoire action on John Harrisons longitude watch H4

A model of the remontoire action on John Harrisons longitude watch H4
Larcum Kendall 'K1' - Captain Cook's historic chronometer watch at Greenwich – With the BHI

Larcum Kendall 'K1' - Captain Cook's historic chronometer watch at Greenwich – With the BHI
Should we stop the Harrison clock?

Should we stop the Harrison clock?
The Clockmaker Who Changed the World: John Harrison's Impact on Navigation

The Clockmaker Who Changed the World: John Harrison's Impact on Navigation
John Harrison's

John Harrison's "H3" clock in action
COMITTI - The Navigator Clock

COMITTI - The Navigator Clock
Amazingly accurate clock finally recognised after 300 years - Guinness World Records

Amazingly accurate clock finally recognised after 300 years - Guinness World Records
John Harrison's fourth timekeeper

John Harrison's fourth timekeeper
Ships, Clocks & Stars: Assembling the H3 replica

Ships, Clocks & Stars: Assembling the H3 replica
John Harrison Grasshopper Escapement 3D Printed Clock Starting

John Harrison Grasshopper Escapement 3D Printed Clock Starting