Nova - Lost at Sea The seach for longitude (1999)

Synopsis: Before global positioning systems, modern map making, and America was even discovered, the concept of longitude was just a dream. Without it's guidance navigation in the 1700s was both unpredictable and deadly, until John Harrison solved the mystery.... Before global positioning systems, modern map making, and America was even discovered, the concept of longitude was just a dream. Without it's guidance navigation in the 1700s was both unpredictable and deadly, until John Harrison solved the mystery. [More]