TIL in 1714 the British government offered £20K (~£2m today) to solve the longitude problem – which had cost thousands of lives due to a lack of ship positioning. John Harrison, a carpenter, took 40 years to make the perfect clock – his final version only lost 39.2 seconds over a voyage 47 days.

Read more: https://www.gearpatrol.com/watches/a89119/history-of-the-harrison-h4-marine-timekeeper/

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  1. I am glad I took the time to read that story. It took me a few minutes to fully appreciate the subject. As the article was winding down the full story of the 40 year endeavor was apparent.

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