Editing 1814 in science (section)

==Technology==
* July 25 – [[George Stephenson]] puts his first [[steam locomotive]] in service, the ''[[Blücher (locomotive)|Blücher]]'' for Killingworth [[Coal mining|Colliery]] on [[Tyneside]] in [[England]].
* Late – Completion of the [[Boston Manufacturing Company]]'s integrated cotton weaving mill on the [[Charles River]] at [[Waltham, Massachusetts]], engineered by [[Paul Moody (inventor)|Paul Moody]] for [[Francis Cabot Lowell (businessman)|Francis Cabot Lowell]] and '[[The Boston Associates]]', and inaugurating the [[Waltham-Lowell system]] of manufacturing.<ref>{{cite book|authorlink=James Burke (science historian)|first=James|last=Burke|title=Connections|url=https://archive.org/details/connections00burk_351|url-access=limited|location=London|publisher=Macmillan|year=1978|pages=[https://archive.org/details/connections00burk_351/page/n153 148]–9|isbn=0-333-24827-9}}</ref>
* "The world's first complex machine mass-produced from [[interchangeable parts]]", [[Eli Terry]]'s wooden pillar-and-scroll clock, comes off the production line in [[Plymouth, Connecticut]].<ref>{{cite book|authorlink=Diana Muir|first=Diana|last=Muir|title=[[Reflections in Bullough's Pond]]: Economy and Ecosystem in New England|location=Lebanon, New Hampshire|publisher=University Press of New England|isbn=978-0-87451-909-9|chapter=Chapter 10}}</ref>
* [[James Fox (engineer)|James Fox]] invents a modern [[Planer (metalworking)|planing machine]] in England at about this date, but the priority between Fox, [[Matthew Murray]] of [[Leeds]] and [[Richard Roberts (engineer)|Richard Roberts]] of [[Manchester]] cannot be certainly established.<ref>{{cite book|authorlink=Joseph Wickham Roe|first=Joseph Wickham|last=Roe|year=1916|title=English and American Tool Builders|publisher=Yale University Press|location=New Haven|chapter-url=https://books.google.com/books?id=X-EJAAAAIAAJ&pg=PA50|chapter=Chapter V: Inventors of the Planer|pages=50–62}}</ref>
* [[Heinrich Stölzel]] invents a form of [[piston valve]] for [[brass instrument]]s.
* [[Dietrich Nikolaus Winkel]] invents a form of [[metronome]] in [[Amsterdam]].<ref>{{cite journal|first=J. de Vos|last=Willems|url=https://books.google.com/books?id=HugqAAAAYAAJ&pg=PA17|title=The Metronome|journal=[[The Harmonicon]]|volume=8|year=1830|accessdate=2011-05-18}}</ref>