1785 in science

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The year 1785 in science and technology involved some significant events.

Astronomy

• Dunsink Observatory established near Dublin. ^[1]

Aviation

• January 7 – Frenchman Jean-Pierre Blanchard and American John Jeffries travel from Dover, England to Calais, France in a gas balloon, becoming the first to cross the English Channel by air.
• January 19 – Richard Crosbie successfully flies in a hot air balloon across Dublin, the first ascent in Ireland.

Biology

• Antoine François and Étienne Louis Geoffroy publish Entomologia Parisiensis, sive, Catalogus insectorum quae in agro Parisiensi reperiuntur ....
• John Stuart, 3rd Earl of Bute, publishes Botanical Tables, containing the different families of British plants.

Earth sciences

• March 7–July – James Hutton's Theory of the Earth is first presented, at the Royal Society of Edinburgh. ^[2]

Exploration

• André Michaux is sent by the French government to North America to look for new plants.

Mathematics

• The Marquis de Condorcet publishes Essai sur l'application de l'analyse á la probabilité des décisions rendues á la pluralité des voix including his voting paradox, the Condorcet method of voting and his jury theorem.

Medicine

• William Withering publishes An Account of the Foxglove and some of its Medical Uses.
• John Aikin publishes A Manual of Materia Medica, Containing a Brief Account of All the Simples Directed in the London and Edinburgh Dispensatories, with Their Several Preparations and the Principal Compositions into which They Enter.
• A form of chainsaw is first illustrated by Scottish doctor John Aitken, for use in symphysiotomy. ^{[3] [4]}
• London Hospital Medical College opens as England's first chartered medical school.

Physics

• Charles-Augustin de Coulomb first publishes Coulomb's law. ^[5]

Technology

• Lionel Lukin patents a rescue lifeboat in Great Britain.
• Approximate date – American inventor Oliver Evans erects a fully automated flour mill capable of operating continuously through the pioneering use of bulk material handling devices including bucket elevators, conveyor belts, and Archimedean screws at Greenbank Mill, in New Castle County, Delaware ^{[6] [7] [8]} – "He practically invented the modern science of handling materials." ^[9]

Awards

• Copley Medal: William Roy ^[10]

Births

• January 15 – William Prout, English chemist (died 1850)
• February 26 – Anna Sundström, Swedish chemist (died 1871)
• March 17 – Ellen Hutchins, Irish botanist (died 1815)
• March 22 – Adam Sedgwick, English geologist (died 1873)
• April 26 – John James Audubon, Haitian-born American naturalist, illustrator (died 1851)
• July 6 – William Jackson Hooker, English botanist (died 1865)

Deaths

• January 23 – Matthew Stewart, Scottish mathematician (born 1717)
• June 2 – Jean Paul de Gua de Malves, French mathematician (born 1713)
• November 16 – Johan Gottschalk Wallerius, Swedish chemist and mineralogist (born 1709)
• December 12 – Edmé-Louis Daubenton, French naturalist (born 1730)
• Pierre Le Roy, French clockmaker (born 1717)
• Saverio Manetti, Italian natural historian (born 1723)
• undated – Faustina Pignatelli, Italian mathematician (born 1705)

References

1. Alexander Thom (1850). Thom's Irish Almanac and Official Directory (7th ed.). p. 258.
2. Hutton, James (1788). "Theory of the Earth; or an Investigation of the Laws observable in the Composition, Dissolution, and Restoration of Land upon the Globe". Transactions of the Royal Society of Edinburgh. 1 (2): 209–304. Archived from the original on 2003-07-29. Retrieved 2011-10-12.
3. Aitken, John (1785). Principles of Midwifery or Puerperal Medicine.
4. Skippen, M.; Kirkup, J.; Maxton, R. M.; McDonald, S. W. (2004). "The Chain Saw - A Scottish Invention". Scottish Medical Journal. 49 (2): 72–75. doi:10.1177/003693300404900218. ISSN   0036-9330. PMID   15209147. S2CID   19878683.
5. Coulomb (1785). "Premier mémoire sur l’électricité et le magnétisme". Histoire de l’Académie Royale des Sciences. pp. 569–577.
6. Evans, Oliver; Evans, Thomas Ellicott Cadwallader (1848). The Young Mill-wright and Miller's Guide (12th ed.). Lea & Blanchard. p.  204.
7. Thomson, Ross (2009). Structures of Change in the Mechanical Age: Technological Invention in the United States 1790-1865 . Baltimore, MD: Johns Hopkins University Press. ISBN   978-0-8018-9141-0.
8. Troy, Rosemary; Wood, Graydon (June 1972). "National Register of Historic Places Inventory/Nomination: Greenbank Historic Area". National Park Service.
9. Roe, Joseph Wickham (1916), English and American Tool Builders, New Haven, Connecticut: Yale University Press, LCCN   16011753 . Reprinted by McGraw-Hill, New York and London, 1926 ( LCCN   27-24075 ); and by Lindsay Publications, Inc., Bradley, Illinois ( ISBN   978-0-917914-73-7 )..
10. "Copley Medal | British scientific award". Encyclopedia Britannica. Retrieved 21 July 2020.