Editing 1641 in science

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{{Year nav topic5|1641|science}}
{{Science year nav|1641}}

The year '''1641 in [[science]]''' and [[technology]] involved some significant events.

==Medicine==
* [[Nicolaes Tulp]]'s ''[[Observationes Medicae (Tulp)|Observationes Medicae]]'' is published in [[Amsterdam]].

==Technology==
* The sealed [[thermometer]] is developed with [[Ferdinand II, Grand Duke of Tuscany]], using a glass tube containing [[ethanol|alcohol]], which freezes well below the freezing point of water.
* [[Samuel Winslow (patentee)|Samuel Winslow]] is granted the first [[patent]] in [[North America]] by the [[Massachusetts General Court]] for a new [[saltmaking]] process.<ref>{{cite book|first=James W.|last=Cortada|chapter=Rise of the knowledge worker|volume=8|title=Resources for the Knowledge-based Economy|series=Knowledge Reader Series|publisher=Butterworth-Heinemann|year=1998|page=141|isbn=0-7506-7058-4}}</ref>

==Births==
* March – [[Menno van Coehoorn]], [[Netherlands|Dutch]] [[military engineer]] (died [[1704 in science|1704]])
* July 30 – [[Regnier de Graaf]], Dutch physician and anatomist who discovered the ovarian follicles, which were later named Graafian follicles (died [[1673 in science|1673]])
* August 2 – [[Jacob Bobart the Younger]], [[English people|English]] [[botanist]] (died 1719)
* September 26 – [[Nehemiah Grew]], English botanist and [[physician]] who makes some of the early microscopical observations of plants (died [[1712 in science|1712]])
* October 28 – [[Philip Skippon (1641–1691)|Sir Philip Skippon]], English traveller, naturalist and Member of Parliament (died [[1691 in science|1691]])

==Deaths==
* January 3 – [[Jeremiah Horrocks]], English [[astronomer]] (born [[1618 in science|1618]])
* March 8 – [[Xu Xiake]], [[China|Chinese]] explorer and geographer (born [[1587 in science|1587]])
* July 5 – [[Simon Baskerville]], English [[physician]] (born [[1574 in science|1574]])
* August 31 – [[Guy de La Brosse]], [[French people|French]] physician and [[botanist]] (born c. [[1586 in science|1586]])

==References==
{{reflist}}

[[Category:1641 in science| ]]
[[Category:17th century in science]]
[[Category:1640s in science]]