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Should we stop the Harrison clock? National Trust in the North of England 1:49 7 years ago 20 566 Скачать Далее
A Detailed Study of H4 - John Harrison's Longitude Timekeeper Reconstruction Barbara Darby 2:58 8 years ago 122 500 Скачать Далее
Larcum Kendall 'K1' - Captain Cook's historic chronometer watch at Greenwich – With the BHI British Horological Institute 27:22 1 year ago 28 413 Скачать Далее
Clocktime: John Harrison Wooden Regulator Longcase 1726, 05 The Movement Dr John C Taylor 3:40 3 months ago 5 297 Скачать Далее
A model of the remontoire action on John Harrisons longitude watch H4 MrParamount3 2:57 2 years ago 16 568 Скачать Далее
The longitude problem: history's deadliest riddle Jay Foreman 9:16 3 years ago 2 360 204 Скачать Далее
Amazingly accurate clock finally recognised after 300 years - Guinness World Records Guinness World Records 2:35 9 years ago 125 177 Скачать Далее
24K GOLD PLATED HARRISON UNIQUE GRASSHOPPER ESCAPEMENT MARBLE BASE SEA CLOCK zero distance 1:34 12 years ago 27 890 Скачать Далее
