1742 in science
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The year 1742 in science and technology involved some significant events.
Astronomy
- January 14 – Death of Edmond Halley; James Bradley succeeds him as Astronomer Royal in Great Britain.
Mathematics
- June – Christian Goldbach produces Goldbach's conjecture.[1]
- Colin Maclaurin publishes his Treatise on Fluxions in Great Britain, the first systematic exposition of Newton's methods.
Metrology
- Anders Celsius publishes his proposal for a centigrade temperature scale originated in 1741.[2]
Physiology and medicine
- Surgeon Joseph Hurlock publishes his A Practical Treatise upon Dentition, or The breeding of teeth in children in London, the first treatise in English on dentition.
Technology
- Benjamin Robins publishes his New Principles of Gunnery, containing the determination of the force of gun-powder and an investigation of the difference in the resisting power of the air to swift and slow motions in London, containing a description of his ballistic pendulum and the results of his scientific experiments into improvements in ballistics.[3][4][5]
- The first large (12 ft focal length) reflecting telescope is made, in Gregorian form, by James Short, for use by Charles Spencer, 3rd Duke of Marlborough, in London.[6]
Awards
Births
- March 15 (bapt.) – John Stackhouse, English botanist (died 1819).
- May 18 – inventor (died 1834).
- December 3 – oceanographer (died 1830).
- December 9 – Carl Wilhelm Scheele, Swedish chemist (died 1786).
- December 26 – metallurgist (died 1791).
Deaths
- January 14 – ).
- February 28 – Willem 's Gravesande, Dutch polymath (born 1688).
- May 13 – Nicolas Andry, French physician (born 1658).
- September 22 – Frederic Louis Norden, Danish explorer (born 1708).
References
- ISBN 978-1-84724-008-8.
- ^ Celsius, Anders (1742). "Observationer om twänne beständiga grader på en thermometer" (Observations about two stable degrees on a thermometer). Kungliga Svenska Vetenskapsakademiens Handlingar (Proceedings of the Royal Swedish Academy of Sciences) 3:171-180 and [1].
- ^ Jervis-Smith, Frederick John (1911). . In Chisholm, Hugh (ed.). Encyclopædia Britannica. Vol. 6 (11th ed.). Cambridge University Press. p. 302.
- ^ Routh, Edward John (1905). The Elementary Part of A Treatise on the Dynamics of a System of Rigid Bodies. London: Macmillan.
- ISBN 978-1-84614-273-4.
- Museum of the History of Science, Oxford, inventory 98721 (exhibit label noted 2012).
- ^ "Copley Medal | British scientific award". Encyclopedia Britannica. Retrieved 21 July 2020.