John Arnold (watchmaker)
John Arnold (1736 – 11 August 1799) was an English watchmaker and inventor. John Arnold was the first to design a watch that was both practical and accurate, and also brought the term "chronometer" into use in its modern sense, meaning a precision timekeeper. His technical advances enabled the quantity production of marine chronometers for use on board ships from around 1782. The basic design of these has remained, with a few modifications unchanged until the late twentieth century. With regard to his legacy, one can say that both he and Abraham-Louis Breguet largely invented the modern mechanical watch. Certainly one of his most important inventions, the overcoil balance spring is still to be found in most mechanical wristwatches to this day.
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1736 in science1773 Phipps expedition towards the North Pole1775 in science1782 in science1799 in Great Britain1799 in scienceAbraham-Louis BreguetBalance springBalance wheelBarwell (1782 ship)Charles FrodshamClockmakerEdward John DentElisabeth von MattEscapementFirst Russian Antarctic ExpeditionHistory of timekeeping devicesJohn ArnoldJohn Arnold (inventor)John CrosleyJohn HarrisonJohn Roger ArnoldLarcum KendallList of Cornish engineers and inventorsList of chronometers on HMS BeagleList of people from CornwallList of watch manufacturersList of watchmakersLongitude rewardsMarine chronometerRuth BelvilleSecond voyage of James CookThomas EarnshawThomas Mercer ChronometersWell_HallWorshipful Company of Clockmakers
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John Arnold (watchmaker)
John Arnold (1736 – 11 August 1799) was an English watchmaker and inventor. John Arnold was the first to design a watch that was both practical and accurate, and also brought the term "chronometer" into use in its modern sense, meaning a precision timekeeper. His technical advances enabled the quantity production of marine chronometers for use on board ships from around 1782. The basic design of these has remained, with a few modifications unchanged until the late twentieth century. With regard to his legacy, one can say that both he and Abraham-Louis Breguet largely invented the modern mechanical watch. Certainly one of his most important inventions, the overcoil balance spring is still to be found in most mechanical wristwatches to this day.
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John Arnold (* 1736 in Bodmin, ...... Lösung des Längenproblems bei.
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John Arnold (1736 – 11 August ...... fferent degrees of balance arc
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ジョン・アーノルド(John Arnold 、1736年 - ...... ンで復活した。現在は複雑機能を搭載した腕時計を製造している。
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1,023,895,152
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John Roger Arnold
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Well Hall, Eltham, Kent, England
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John Arnold
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Watchmaker
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Arnold & Son, Breguet
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John Arnold (* 1736 in Bodmin, ...... Lösung des Längenproblems bei.
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John Arnold (1736 – 11 August ...... ical wristwatches to this day.
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ジョン・アーノルド(John Arnold 、1736年 - ...... ンで復活した。現在は複雑機能を搭載した腕時計を製造している。
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John Arnold (Uhrmacher)
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John Arnold (watchmaker)
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John Arnold
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John Arnold
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ジョン・アーノルド
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John Arnold
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