Editing 1725 in science

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{{One source|date=December 2009}}
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The year '''1725 in [[science]]''' and [[technology]] involved some significant events.

==Astronomy==
* [[James Bradley]] first observes [[stellar aberration]].
* [[John Flamsteed]]'s ''Historia Coelestis Britannica'' is published posthumously in a version containing Flamsteed's revisions, thanks largely to the efforts of his widow, Margaret, and former assistants [[Abraham Sharp]] and [[Joseph Crosthwaite]].

==History of science==
* [[John Freind (physician)]] begins publication of ''The History of Physick, from the time of Galen to the beginning of the 16th century, chiefly with regard to practice'', the first comprehensive history of medicine in [[English language|English]].

==Mathematics==
* The [[binary numeral system]] is invented by [[Basile Bouchon]].
* The construction of a 4x4 [[Graeco-Latin square]] is published as a puzzle involving [[playing card]]s by [[Jacques Ozanam]] in ''[https://books.google.com/books?id=6JP6Hz5EHYQC&pg=PA434 Recreation mathematiques et physiques]'', vol. IV.
* [[Pierre Varignon]]'s ''Nouvelle Méchanique ou Statique'', published posthumously in Paris, includes recognizable planar [[dual graph]]s.

==Technology==
* Stereotype printing, a copying process, is developed by [[Scottish people|Scottish]] [[goldsmith]] [[William Ged]]. The concept later generates the word "stereotyping".
* The [[ocular Harpsichord]], or ''clavecin oculaire'', comprising a 6-foot square frame above a normal [[harpsichord]], is invented by the [[Jesuits|Jesuit]] mathematician and physicist Father [[Louis-Bertrand Castel]]. No illustrations of it remain.

==Births==
* February 4 – [[Dru Drury]], [[English people|English]] [[entomologist]] (died [[1804 in science|1804]])<ref>{{cite ODNB |title=Drury, Dru (1725–1804), silversmith and naturalist |url=http://www.oxforddnb.com/view/10.1093/ref:odnb/9780198614128.001.0001/odnb-9780198614128-e-8093 |year=2004 |access-date=30 May 2018 |language=en |doi=10.1093/ref:odnb/8093}}</ref>
* May 10 – [[John Hope (botanist)|John Hope]], [[Scottish people|Scottish]] [[physician]] and [[botanist]] (died [[1786 in science|1786]])
* May 23 – [[Robert Bakewell (agriculturalist)|Robert Bakewell]], English [[agriculturalist]] and [[geneticist]] (died [[1795 in science|1795]])
* September 16 – [[Nicolas Desmarest]], [[French people|French]] [[natural history|naturalist]] (died [[1815 in science|1815]])
* September 25 – [[Nicolas-Joseph Cugnot]], French [[mechanical engineer]] (died 1804)
* September 27 – [[Patrick d'Arcy]], [[Irish people|Irish]]-born [[mathematician]] (died [[1779 in science|1779]])

==References==
{{Reflist}}

[[Category:1725 in science| ]]
[[Category:18th century in science]]
[[Category:1720s in science]]