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1770 in science
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==Technology== * July β [[James Hargreaves]] obtains a [[Kingdom of Great Britain|British]] [[patent]] for the [[spinning jenny]].<ref>{{cite web|url=http://www.cottontown.org/page.cfm?LANGUAGE=eng&pageID=506|first=Nick|last=Harling|title=James Hargreaves c1720-1778|work=Cotton Town|accessdate=2011-06-21|archiveurl=https://web.archive.org/web/20110614135425/http://www.cottontown.org/page.cfm?LANGUAGE=eng&pageID=506|archivedate=14 June 2011<!--Added by DASHBot-->}}</ref> * The [[spring scale]] is created by [[Richard Salter (inventor)|Richard Salter]].<ref name="Hewison, p18" >{{cite book |first=Christian H. |last=Hewison |title=Locomotive Boiler Explosions |year=1983 |publisher=[[David and Charles]] |isbn=0-7153-8305-1 |ref=Hewison, Locomotive Boiler Explosions |pages=18 }}</ref>
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