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John harrison

John harrison. John Harrison invented navigation clocks, and he was famous for doing it . He invented the marine chronometer. The navigation of the seas. Longitude are the lines from North to South and Latitude are the lines from East to West , on the globe. John harrison’s profile.

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John harrison

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  1. Johnharrison John Harrison invented navigation clocks, and he was famous for doing it .He invented the marine chronometer.

  2. Thenavigationoftheseas Longitude are the lines from North to South and Latitude are the lines from East to West, on the globe.

  3. John harrison’s profile This is a picture of John Harrison, as well as some of his clocks. John Harrison made lots of navigation clocks to help people on ships.

  4. The longitude problem The ships at sea had problems recording there local time because the pendulums were out of rhythm when the ship sailed stormy seas. John Harrison however did an amazing thing, he made a clock that worked without a pendulum but could still tell the time from were they lived.

  5. About john harrison’s clock • Here is a picture of John Harrison’s navigation clock. John Harrison’s navigation clock is very important , because it helps people by sailing properly.

  6. Thank you for watching!

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