John Harrison S Fourth Timekeeper

This short film is from Editor David J. Eicher's 2013 England astronomy tour.

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

The longcase clock at Nostell made by

John Harrisons

The First Longitudinal Clocks

Of international scientific importance, the

Monday, May 5, 2025 Eddie Landzberg, Horologist (New York, New York)

Dr. Martin Richardson De Montfort University, Leicester Zeeba TV (http://zeeba.tv) is part of the River Valley group of Companies.

This short film is from Editor David J. Eicher's 2013 England astronomy tour.

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 ...

How many people does it take to assemble a clock? For the replica of

Over a period of many years

John Harrison's

Join us on an inspiring journey through the life of

Harrison Fourth Timekeeper

In the 18th century, the only way to navigate accurately at sea was to follow a coastline all the way, which would not get you from ...

This short film is from Editor David J. Eicher's 2013 England astronomy tour.

Harrison Fourth Timekeeper

John Harrison's

From the collections of the Newport Historical Society, a marine pocket watch believed to have been made as part of the race to ...