1774 in science
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The year 1774 in science and technology involved some significant events.
Astronomy
- Johann Elert Bode discovers the galaxy Messier 81.
- Lagrange publishes a paper on the motion of the nodes of a planet's orbit.
Biology
- Italian physicist Abbé Bonaventura Corti publishes Osservazioni microscopiche sulla tremella e sulla circulazione del fluido in una pianta acquajuola in Lucca, including his discovery of cyclosis in plant cells.[1]
- French physician Antoine Parmentier publishes Examen chymique des pommes de terres in Paris, analysing the nutritional value of the potato.
Chemistry
- August 1 – Joseph Priestley, working at Bowood House, Wiltshire, England, isolates oxygen in the form of a gas, which he calls "dephlogisticated air".[2]
- Antoine Lavoisier publishes his first book, a literature review on the composition of air, Opuscules physiques et chimiques.
- Carl Wilhelm Scheele discovers "dephlogisticated muriatic acid" (chlorine), manganese and barium.
Exploration
- Second voyage of James Cook
- June 16/17 – English explorer Captain Cook becomes the first European to sight (and name) Palmerston Island in the Pacific Ocean.
- September 4 – Cook becomes the first European to sight (and name) the island of New Caledonia in Melanesia.
- October 10 – Cook becomes the first European to sight (and name) Norfolk Island in the Pacific Ocean, uninhabited at this date.
Mathematics
- P.-S. Laplace publishes Mémoire sur la probabilité des causes par les événements, including a restatement of Bayes' theorem.[3]
Medicine and physiology
- William Hunter's Anatomia uteri humani gravidi tabulis illustrata | The Anatomy of the Human Gravid Uterus exhibited in figures is published by John Baskerville in Birmingham, England.
- Sugita Genpaku's Kaitai Shinsho ("New Text on Anatomy"), based on a Dutch publication, is published with illustrations in Japan, the first modern anatomy textbook produced there.
Physics
- The Schiehallion experiment is carried out by Nevil Maskelyne to determine the mean density of the Earth.[4]
Technology
- January 27 – John Wilkinson patents a method for boring cannon from the solid, subsequently utilised for accurate boring of steam engine cylinders.[5]
- Jesse Ramsden produces an advanced circular dividing engine with the support of the Board of Longitude.[6][7]
Awards
- Copley Medal: Not awarded[8]
Births
- April 21 – Jean-Baptiste Biot (died 1862), French physicist.
- April 24 – Jean Marc Gaspard Itard (died 1838), French otorhinolaryngologist.
- April 28 – Francis Baily (died 1844), English astronomer.
- May 7 – Francis Beaufort (died 1856), Irish-born hydrographer.
- May 28 – Edward Howard (died 1816), English chemist.
- August 18 – Meriwether Lewis (died 1809), American explorer.
- September 26 – John Chapman (died 1845), American nurseryman.
- November 12 – Charles Bell (died 1842), Scottish-born anatomist.
- December 12 – William Henry (died 1836), English chemist.
Deaths
- February 4 – Charles Marie de La Condamine, French geographer (born 1701)
- May 1 – William Hewson, English surgeon, anatomist and physiologist, "father of haematology" (born 1739)
- July 9 – Anna Morandi Manzolini, Italian anatomist (born 1714)[9]
References
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- ↑ "An account of Observations made on the Mountain Schehallien for finding its attraction". Philosophical Transactions of the Royal Society (London) 6 July 1775.
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