Lost at Sea: The Search for Longitude

18th century British clock maker and carpenter John Harrison invents a marine chronometer that allows ships to calculate longitude while at sea, preventing numerous shipwrecks, some of them ... Read all18th century British clock maker and carpenter John Harrison invents a marine chronometer that allows ships to calculate longitude while at sea, preventing numerous shipwrecks, some of them involving the British Navy.18th century British clock maker and carpenter John Harrison invents a marine chronometer that allows ships to calculate longitude while at sea, preventing numerous shipwrecks, some of them involving the British Navy.