John Harrison

Inventor

John Harrison was a self-educated English carpenter and clockmaker who invented the marine chronometer. His groundbreaking device was a long-sought-after solution for the problem of accurately calculating longitude at sea. Harrison's chronometers, particularly his H4 model, underwent rigorous sea trials and proved their remarkable precision. His lifelong work revolutionized navigation and directly enabled the age of long-distance maritime exploration and trade.

Apr 03, 1693 - Mar 24, 1776 English 4 Quotes

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