Media Summary: For centuries, sailors could chart latitude with ease — but longitude remained the unsolved nightmare of global navigation. Today we take a look at one of the most vexing problems to face mariners in the Age of Sail, working out your longitude, and how ... Join us on an inspiring journey through the life of John

Cartographers Mocked Harrison S Clock - Detailed Analysis & Overview

For centuries, sailors could chart latitude with ease — but longitude remained the unsolved nightmare of global navigation. Today we take a look at one of the most vexing problems to face mariners in the Age of Sail, working out your longitude, and how ... Join us on an inspiring journey through the life of John In the 18th century, the deadliest puzzle on the high seas wasn't pirates or storms—it was time. Sailors were being lost to the ... Buy the MAP MEN BOOK 'This Way Up - When Maps Go Wrong' SEE NEW EPISODES EARLY, AND ...

Photo Gallery

Cartographers Mocked Harrison’s “Clock” — Until It Solved the Longitude Problem Kings Couldn’t Crack
Should we stop the Harrison clock?
The Longitude Problem - Improving Navigation with the Harrison Clocks
Amazingly accurate clock finally recognised after 300 years - Guinness World Records
The Clockmaker Who Changed the World: John Harrison's Impact on Navigation
The First Chronometer. John Harrison & The Clock That Changed the World
The H4: The Clock That Changed the World Forever
Harrison Clock - H1
COMITTI - The Navigator Clock
John Harrison's "H1" clock in action
A model of the remontoire action on John Harrisons longitude watch H4
The longitude problem: history's deadliest riddle
View Detailed Profile
Cartographers Mocked Harrison’s “Clock” — Until It Solved the Longitude Problem Kings Couldn’t Crack

Cartographers Mocked Harrison’s “Clock” — Until It Solved the Longitude Problem Kings Couldn’t Crack

For centuries, sailors could chart latitude with ease — but longitude remained the unsolved nightmare of global navigation.

Should we stop the Harrison clock?

Should we stop the Harrison clock?

The longcase

The Longitude Problem - Improving Navigation with the Harrison Clocks

The Longitude Problem - Improving Navigation with the Harrison Clocks

Today we take a look at one of the most vexing problems to face mariners in the Age of Sail, working out your longitude, and how ...

Amazingly accurate clock finally recognised after 300 years - Guinness World Records

Amazingly accurate clock finally recognised after 300 years - Guinness World Records

A pendulum

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

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

Join us on an inspiring journey through the life of John

The First Chronometer. John Harrison & The Clock That Changed the World

The First Chronometer. John Harrison & The Clock That Changed the World

The story behind the first

The H4: The Clock That Changed the World Forever

The H4: The Clock That Changed the World Forever

In the 18th century, the deadliest puzzle on the high seas wasn't pirates or storms—it was time. Sailors were being lost to the ...

Harrison Clock - H1

Harrison Clock - H1

This is the original H1

COMITTI - The Navigator Clock

COMITTI - The Navigator Clock

Over a period of many years John

John Harrison's "H1" clock in action

John Harrison's "H1" clock in action

John

A model of the remontoire action on John Harrisons longitude watch H4

A model of the remontoire action on John Harrisons longitude watch H4

John

The longitude problem: history's deadliest riddle

The longitude problem: history's deadliest riddle

Buy the MAP MEN BOOK 'This Way Up - When Maps Go Wrong' https://lnk.to/mapmen SEE NEW EPISODES EARLY, AND ...

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

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

Buy DVD at https://martinmatthewswatchcasemaker.com/ A reconstruction of John