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1854 in science
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==Technology== [[File:Bridges 20.png|thumb|Fink truss]] * May 9 – [[Albert Fink]] [[patent]]s the [[Truss bridge#Fink truss|Fink truss]] in the [[United States]].<ref>{{cite journal|first=Frank|last=Griggs|title=The Inspirations of a German Immigrant: Albert Fink|url=http://bridgeworld.net/wordpress/archives/docs/20060522.pdf|journal=Structure|publisher=National Council of Structural Engineers Associations |pages=52–4|accessdate=2011-08-16|date=May 2006}}</ref> * May 17 – Deck of [[Wheeling Suspension Bridge]] in the United States destroyed through torsional movement and vertical undulations in a severe windstorm. * June 13 – Anthony Faas patents improvements to the [[accordion]] in the United States.<ref>Patent no. 11062.</ref> * July – First voyage by a seagoing [[steamship]] fitted with a [[compound steam engine]], the [[Propeller|screw]] steamer ''Brandon'', built on the [[River Clyde]] in [[Scotland]] by [[John Elder (shipbuilder)|John Elder]].<ref>{{cite book|url=http://gdl.cdlr.strath.ac.uk/mlemen/mlemen031.htm|page=118|accessdate=2011-06-16|title=Memoirs and portraits of one hundred Glasgow men|chapter=John Elder, 1824-1869|year=1886|location=Glasgow|publisher=James MacLehose & Sons}}</ref> * September 19 – [[Thaddeus Hyatt]] patents a practical [[pavement light]].<ref>{{cite patent|inventor-last=Hyatt|inventor-first=Thaddeus|issue-date=1854-09-19.|title=[http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=11,695 Vault cover]|country=US|number=11695|url=http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=11,695}}</ref> * November 27 – [[André-Adolphe-Eugène Disdéri]] patents a method of producing ''[[carte de visite]]'' photographs in France. * December 20 – In the case of ''[[Talbot v. Laroche]]'', pioneer of [[photography]] [[Henry Fox Talbot]] fails in asserting that the [[collodion]] process infringes his [[calotype]] [[patent]].<ref>{{cite book|title=The Calotype Patent Lawsuit of Talbot v. Laroche 1854|author=Wood, R. D.|publisher=privately published|location=Bromley, Kent|year=1975|url=http://www.midleykent.fsnet.co.uk/laroche/TalbotvLaroche.htm|isbn=0-9504377-0-0|accessdate=2010-10-18<!--DASHBot-->|archive-date=2008-01-02|archive-url=https://web.archive.org/web/20080102053045/http://www.midleykent.fsnet.co.uk/laroche/TalbotvLaroche.htm|url-status=dead}}</ref> * [[James Ambrose Cutting]] takes out three [[United States]] [[patent]]s for improvements to the [[wet plate]] [[collodion process]] ([[Ambrotype]] photography). * [[Elisha Otis]] completes work on the safety [[elevator]]. * [[Joseph Whitworth]] patents [[polygonal rifling]] for ordnance in the United Kingdom.
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