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Who invented the chronometer? John Harrison (1693-1776), an English clockmaker and carpenter, is credited with the invention of the chronometer in 1761, although his first (of... ... In 1735 English carpenter John Harrison met the British government s challenge, submitting a marine chronometer that he designed and constructed.
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www.answerbag.com/q_view/13400
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What did john harrison explore the ocean for? When did john harrison create the chronometer? When did john harrison invent the chronometer? How many types of clocks did john harrison make? How much money did John Harrison end up getting?
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wiki.answers.com/Q/John_Harrison_and_chronometers
wiki.answers.com/Q/John_Harrison_and_chronometers
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John Harrison, courtesy of National Maritime Museum website ... A Fun Activity ... Link to Other Sites...
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users.etown.edu/k/kleesa/media/VIPwebpage.htm
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Download the 20-page e-book John Harrison (1693–1776) and Lt. Cdr Rupert T. Gould R.N. (1890–1948) (PDF, ... K1 Marine Chronometer - Kendall's copy of Harrison's H4 Although the performance of H4 during its second sea trial was three times better than the two minutes accuracy required to win the longitude prize,
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www.nmm.ac.uk/harrison
www.nmm.ac.uk/harrison
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In the year of Harrison's death, James Cook sailed again to the Pacific, where he demonstrated beyond any doubt the utility of the chronometer in marine mapping. Nearly two centuries later, the honored guest at a dinner at 10 Downing Street was an American, who rose to propose a toast to John Harrison.
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www.surveyhistory.org/john_harrison's_timepiece1.htm
www.surveyhistory.org/john_harrison's_timepiece1.htm
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The chronometer that the Englishman John Harrison invented in 1760 for use in reckoning longitude at sea
http://worldhistoryforusall.sdsu.edu/dev/themes/keythem...
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John Harrison (1693-1776) ... Father of the chronometer ... "English clockmaker John Harrison, a mechanical genius who pioneered the science of portable precision timekeeping, devoted his life to this quest.
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wwp.greenwichmeantime.com/clocks-n-watches/watch/watche...
wwp.greenwichmeantime.com/clocks-n-watches/watch/watches/harrison/index.htm
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Information sheet on John Harrison and the finding of longitude ... This was to cause much anger and bitterness between himself and John Harrison, the man who produced the chronometer that finally solved the problem.
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www.royalnavalmuseum.org/info_sheets_john_harrison.htm
www.royalnavalmuseum.org/info_sheets_john_harrison.htm
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A large cash prize led John Harrison to invent the chronometer, but the chronometer was an immensely useful device that made longitudinal readings practical. To square the circle would bring only glory.
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www.snarkout.org/archives/2001/11/04/
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