Maritime Chornometer Information Center
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Background to Maritime Chornometer
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 ... We take a deep dive into the mechanism of a two-day box or This is the most expensive broken watch (or clock?) I've purchased on eBay. It was sold to me at a "discounted" price of about ... I replaced the mainspring to see if it would work and now I have to take it apart to clean and oil it. This video performed by an ... Part of the ongoing Boulder Horological Society (NAWCC Chapter 160) Zoom series is a teardown of a Hamilton 21 Look through the eyes of a watchmaker and share the passion of Kalle Slaap from team Chronoglide! Vintage Watch repair ...
Buy DVD at A reconstruction of John Harrison's successful Longitude timekeeper H4 ... Omega, Tudor, Chopard, and many more watches all boast “COSC Hello and welcome on another time and space journey with Watches TV. Today we will talk about three exceptionally interesting ... If an item is worth something it is worth copying. What I have here is a Swiss original with copies from Japan and America. Ulysse ... Schools and Public Programs Manager Laura Robin brings a beautiful, and useful navigation tool out of the
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Featured Video Reports & Highlights
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Determining Longitude with a Clock - Watch and Learn #58
The Chronometer Invention
The Longitude Problem - Improving Navigation with the Harrison Clocks
READ Repairs #008 Cleaning a 2-day Marine (Box) Chronometer with spring detent escapement
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Last Updated: May 26, 2026
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