Lost At Sea: The Search For Longitude

Oct 06, 1998 on PBS at 9:00 PM

Summary

In 1714, following a maritime disaster, British Parliament offers £20,000 for the first reliable method of determining longitude on a ship at sea. It's known that longitude can be found by comparing a ship's local time to the time at the port of orig... (more)in. The challenge is finding a clock—a chronometer—that can keep time at sea, where temperature changes, humidity, gravity and a ship's movement affect accuracy. NOVA chronicles the seventeenth-century journey to determine longitude.

Previous episode

The Truth About Impotence
Season 25 Episode 10

May 12, 1998

Next episode

Chasing El Niño
Season 25 Episode 12

Oct 13, 1998