How long did Harrison work on improving his designs?
A Few Months
A Few Decades
Forever
Not At All
Answer
John Harrison spent decades of his life working on improving his designs for chronometers. This included many years of trial and error, as well as a lot of financial investment. However, his hard work eventually paid off, as he was able to produce a chronometer that was accurate enough to be used for navigation at sea.
Time and Triumph: The John Harrison Quiz
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