Editing 1827 in science (section)

==Technology==
* April 26–May 24 – The [[Royal Netherlands Navy]]'s British-built [[paddle steamer]] ''[[Steamboat#Ocean-going steamships|Curaçao]]'' makes the first [[Transatlantic Crossing]] by steam, from [[Hellevoetsluis]] to [[Paramaribo]].<ref>{{cite web|title=Steamship Curaçao|url=http://www.vrcurassow.com/2dvrc/sscuracao/sscuracao.html|accessdate=2011-02-02| archiveurl=https://web.archive.org/web/20101224202256/http://vrcurassow.com/2dvrc/sscuracao/sscuracao.html|archivedate=2010-12-24|url-status=live}}</ref>
* May 25 – Romanian inventor [[Petrache Poenaru]] is granted a French [[patent]] for a [[fountain pen]].
* June 4 – French inventor [[Joseph Niépce]] sends a package to [[Louis Daguerre]] revealing the existence of his invention, "heliography", where an image can be reproduced onto a pewter plate and then reprinted.<ref>"A Photo-engraving of 1826". ''The Process Photogram and Illustrator'' (January 1905). p. 82.</ref>
* c. July – [[Robert Wilson (engineer)|Robert Wilson]] of [[Dunbar]] in Scotland demonstrates a [[screw propeller]].
* Scottish farmer's son Rev. [[Patrick Bell]] produces a model [[reaping machine]].<ref>{{cite web|title=The Reverend Patrick Bell|url=http://iainthepict.blogspot.co.uk/2011/04/reverend-patrick-bell.html|work=On this day in Scotland|date=2011-04-22|access-date=2016-03-10}}</ref>
* Completion of [[Ozimek Suspension Bridge]] in Poland, designed by Karl Schottelius, possibly the oldest surviving [[wrought iron]] [[suspension bridge]] in [[continental Europe]].
* [[Jacob Perkins]] introduces the [[uniflow steam engine]] to the United Kingdom.<ref>{{cite book|first=H. W.|last=Dickinson|title=A Short History of the Steam Engine|publisher=Cambridge University Press|year=1938}}</ref>