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Jeremy Irons

Michael Gambon

Ian Hart

Anna Chancellor

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Miniseries based on Dava Sobel's nonfiction book about scientists in the 18th century who tried to invent the concept of longitude, and clockmaker John Harrison, who eventually succeeded. The story cuts between the 18th century, when it explores Harrison's life and work, and the 20th century, when naval officer Rupert Gould discovers Harrison's abandoned clocks and works on restoring them.

Countless sea voyages ended in catastrophe because of an inability to mark an exact position in the world's oceans. A need to accurately measure longitude at sea became a priority. In 1714, the British Parliament offered a huge reward to anyone who could find the answer. While most looked to the stars fo... Full Summary >>