1720 in science
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|List of years in science (table)|
|... 1710 . 1711 . 1712 . 1713 . 1714 . 1715 . 1716 ...
1717 1718 1719 -1720- 1721 1722 1723
... 1724 . 1725 . 1726 . 1727 . 1728 . 1729 . 1730 ...
|Art . Archaeology . Architecture . Literature . Music . Philosophy . Science +...|
- May – First patient admitted to the Westminster Public Infirmary, predecessor of St George's Hospital, London.
- Dr Steevens' Hospital is established at Kilmainham, Dublin.
- Great Plague of Marseille, the last major outbreak of bubonic plague in Europe.
- A theodolite is developed by Jonathan Sisson of England.
- Pinchbeck is invented by English watchmaker Christopher Pinchbeck; it is an alloy of 83% copper and 17% zinc, creating a strong, hard-wearing metal which has the appearance and weight of 20 carat gold.
- An early chronograph is invented which has only mechanical parts in it.
- Henry de Saumarez (of the Channel Islands) produces an instrument called the Marine Surveyor intended to measure a ship's velocity.
- A single-action five-pedal harp is developed by Jacob Hochbrucker of Bavaria which can raise the pitch of the selected strings by a half step.
- approx. date – Joseph Williamson uses a differential gear in a clock.
- March 13 – Charles Bonnet, Swiss naturalist and philosophical writer (died 1793)
- July 18 – Gilbert White, English naturalist (died 1793)
- December ? – James Hargreaves, English inventor (died 1778)
- approx. date – Dmitry Ivanovich Vinogradov, Russian chemist (died 1758)