SEA CLOCKS: The Story of Longitude

Bruce-Oosterwijck sea clock

John Harrison and the Quest for Longitude: The Story of Longitude

Pre-Owned The Illustrated Longitude: The True Story of a Lone

Longitude found - the story of Harrison's Clocks

The Longitude Problem

John Harrison and the Quest for Longitude: The Story of Longitude

H4 Royal Museums Greenwich

John Harrison and the Quest for Longitude: The Story of Longitude

Longitude, Higgitt

Book Sharing Monday :: Two Books about John Harrison – Life on a

Book Sharing Monday :: Two Books about John Harrison – Life on a

Sea Clocks: The Story of Longitude: Borden, Louise, Blegvad, Erik

Check It Out: Longitude by Dava Sobel

Early Sea Clock Experiments