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John Harrison solved the problem of determining longitude at sea by inventing the marine chronometer, a precise timekeeping device. His innovative designs, particularly the H4, allowed sailors to accurately measure time aboard ships, which was crucial for calculating their longitudinal position based on the difference between local time and Greenwich Mean Time. Harrison's work significantly improved navigation safety and efficiency, ultimately leading to widespread adoption of his timekeeping methods in maritime travel.
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When was John Harrison born?
John Harrison was born on March 24, 1693.
When did John Harrison Burnett die?
John Harrison Burnett died in 2007.
When did John William Heslop-Harrison die?
John William Heslop-Harrison died in 1967.
When was John Harrison - footballer - born?
John Harrison - footballer - was born on 1927-09-27.
When did Richard John Harrison die?
Richard John Harrison died on 1999-10-17.
How many clocks did john Harrison make?
John Harrison, the 18th-century clockmaker, created a total of five significant timepieces, known as H1 through H5. These clocks were designed to solve the problem of determining longitude at sea. Harrison's innovative approach to marine chronometers revolutionized navigation and earned him recognition for his contributions to timekeeping.
When was John Harrison born?
John Harrison was born on March 24, 1693.
What is John Harrison's birthday?
John Harrison was born on March 24, 1693.
When was John Harrison Minnick born?
John Harrison Minnick was born in 1877.
When did John Harrison Minnick die?
John Harrison Minnick died in 1966.
When did Ernest John Harrison die?
Ernest John Harrison died in 1961.
When was Ernest John Harrison born?
Ernest John Harrison was born in 1873.
When was John Harrison - rower - born?
John Harrison - rower - was born in 1924.
When was John Harrison - engraver - born?
John Harrison - engraver - was born in 1872.
When was John Leonard Harrison born?
John Leonard Harrison was born in 1917.
When did John Leonard Harrison die?
John Leonard Harrison died in 1972.
When was John Harrison Burnett born?
John Harrison Burnett was born in 1922.
