The Chronometers of John Harrison and the Problem of Longitude
On April 3, 1693, self-educated English carpenter and clockmaker John Harrison was born. Harrison invented the marine chronometer, a long-sought-after device for solving the problem of calculating longitude while at sea. However, it was not until toward the end of his life that he finally received recognition and a reward from the British Parliament. “He wrested the world’s whereabouts from the stars, and locked the secret in a pocket watch.” ― Dava…
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