1631 in science
The year 1631 in science and technology involved some significant events.
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Geology
- December 16 – Volcanic eruption of Mount Vesuvius for the only time this century.
Mathematics
- William Oughtred publishes Clavis Mathematicae, introducing the multiplication sign (×) and proportion sign (::).[1][2]
- Some of Thomas Harriot's writings on algebra are published posthumously as Artis Analyticae Praxis.
Births
- Richard Lower, English physician who performed the first direct blood transfusion (died 1691)
- approx. date – William Ball, English astronomer (died 1690)
Deaths
- October 20 – Michael Maestlin, German astronomer and mathematician (born 1550)
- 26 October – Catherine de Parthenay, French noblewoman and mathematician (b. 1554)
- December 10 – Sir Hugh Myddelton, Welsh-born goldsmith and hydraulic engineer (born c. 1560)
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References
- Cajori, Florian (1919). A History of Mathematics. Macmillan. p. 157.
cajori william-oughtred multiplication.
- Pycior, Helena Mary (1997). Symbols, Impossible Numbers, and Geometric Entanglements: British Algebra through the Commentaries on Newton's Universal Arithmetick. p. 48. ISBN 0-521-48124-4.
- Hubbard, Frank (1967).
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