1691 in science
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The year 1691 in science and technology involved some significant events.
Biology
- Italian Jesuit scholar Filippo Bonanni publishes the results of his microscopic observations of invertebrates in Observationes circa Viventia, quae in Rebus non-Viventibus.
Mathematics
- Gottfried Leibniz discovers the technique of separation of variables for ordinary differential equations.
- Michel Rolle invents Rolle's theorem.
Medicine
- Anton Nuck's Adenographia curiosa et uteri foeminei anatome nova is published at Leiden, including a description of the canal of Nuck[1] and a demonstration that the embryo is derived from the ovary and not the sperm.[2]
Technology
- Edmond Halley devises a diving bell.[3]
- In music, the "equal temperament scale" used in modern music is developed by organist Andreas Werckmeister.
Births
- November 18 – Mårten Triewald, Swedish mechanical engineer (died 1747)
Deaths
- January 17 – Richard Lower, English physician who performed the first direct blood transfusion (born 1631)
- December 31 – Robert Boyle, Anglo-Irish chemist (born 1627)[4]
References
- ^ Enersen, Ole Daniel. "Nuck's canal". Whonamedit?. Retrieved 2012-10-15.
- ^ Speert, Harold (1958). Obstetric and Gynecologic Milestones. New York: Macmillan. pp. 95–101.
- ^ Edmonds, Carl; Lowry, C.; Pennefather, John. "History of diving". South Pacific Underwater Medicine Society Journal. 5 (2). Archived from the original on 2010-10-14. Retrieved 2011-06-17.
- ^ "Robert Boyle | Biography, Contributions, Works, & Facts". Encyclopedia Britannica. Retrieved 4 December 2020.
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