Editing 1685 in science

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{{Science year nav|1685}}

The year '''1685 in [[science]]''' and [[technology]] involved some significant events.

==Mathematics==
* [[Adam Adamandy Kochański]] publishes an approximation for [[squaring the circle]].<ref>{{cite journal|last=Kochański|first=Adam Adamandy|title=Observationes Cyclometricae ad facilitandam Praxin accomodatae|journal=[[Acta Eruditorum]]|year=1685|volume=4|pages=394–398}}</ref>

==Physiology and medicine==
* Charles Allen publishes the first book in [[English language|English]] on [[dentistry]], ''[https://web.archive.org/web/20120610181815/http://www.dentistry.bham.ac.uk/ecourse/pages/page.asp?pid=1734 The Operator for the Teeth]''.<ref>{{cite web|url=http://www.bda.org/museum/the-story-of-dentistry/timeline.aspx |title=The Story of Dentistry – Timeline |publisher=[[British Dental Association]] |accessdate=2012-02-09 |url-status=dead |archiveurl=https://web.archive.org/web/20120309235717/http://www.bda.org/museum/the-story-of-dentistry/timeline.aspx |archivedate=2012-03-09 }}</ref>
* [[Govert Bidloo]] publishes an atlas of [[human anatomy]], ''Ontleding des menschelyken lichaams'', with plates by [[Gerard de Lairesse]].

==Technology==
* [[Menno van Coehoorn]] publishes his principal treatise on [[fortification]], ''Nieuwe Vestingbouw op een natte of lage horisont'', in [[Leeuwarden]].

==Births==
* August 18 – [[Brook Taylor]], [[England|English]] [[mathematician]] (died [[1731 in science|1731]])
* November 17 – [[Pierre Gaultier de Varennes et de la Vérendrye]], [[French Canadian]] [[explorer]] (died [[1749 in science|1749]])

==Deaths==
* February 2 – [[Pierre Bourdelot]], French physician, anatomist, freethinker, abbé and libertine (born [[1610 in science|1610]])
* November 23 – [[Bernard de Gomme]], [[military engineer]] in [[England]] (born [[1620 in science|1620]])
* December 12 – [[John Pell (mathematician)|John Pell]], English [[mathematician]] (born [[1611 in science|1611]])

==References==
{{reflist}}

[[Category:1685 in science| ]]
[[Category:17th century in science]]
[[Category:1680s in science]]