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1815 in science
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==Technology== * November 3 β Sir [[Humphry Davy]] announces his discovery of the [[Davy lamp]] as a [[coal mining]] [[safety lamp]].<ref>To a meeting of the [[Royal Society]] in [[Newcastle upon Tyne]].</ref><ref name="Icons">{{cite web|url=http://www.icons.org.uk/theicons/icons-timeline/1800-1820 |title=Icons, a portrait of England 1800-1820 |accessdate=2007-09-11 |url-status=dead |archiveurl=https://web.archive.org/web/20091016113407/http://www.icons.org.uk/theicons/icons-timeline/1800-1820 |archivedate=2009-10-16 }}</ref> * [[Dental floss]] is invented by Levi Spear Parmly.
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