1691 in science

	… 1681; 1682; 1683; 1684; 1685; 1686; 1687; ; 1688; 1689; 1690; 1691; 1692; 1693; 1694; ; 1695; 1696; 1697; 1698; 1699; 1700; 1701 …;
	Art; Archaeology; Architecture; Literature; Music; Philosophy; Science +...;

The year 1691 in science and technology involved some significant events.

Astronomy

Gottfried Leibniz discovers the technique of separation of variables for ordinary differential equations.
Michel Rolle invents Rolle's theorem.

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]

Edmond Halley devises a diving bell.[3]
In music, the "equal temperament scale" used in today's music is developed by organist Andreas Werckmeister.

January 17 – Richard Lower, English physician who performed the first direct blood transfusion (born 1631)
December 31 – Robert Boyle, British chemist (born 1627)

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). Retrieved 2011-06-17.

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.