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Combustion

Discovery of Oxygen by Joseph Priestly
Society: ACSMain Category: ChemicalSub Category: Frontiers of KnowledgeEra: 1750-1799DateCreated: 1774Joseph Priestley HouseNorthumberlandState: PAZip: 17857Country: USAWebsite: http://portal.acs.org/portal/acs/corg/content?_nfpb=true&_pageLabel=PP_SUPERARTICLE&node_id=521&use_sec=false&sec_url_var=region1&__uuid=0af17f7c-0447-4b06-a716-8e74a6b01a5fCreator: Priestley, Joseph

When Joseph Priestley discovered oxygen in 1774, he answered age-old questions of why and how things burn. An Englishman by birth, Priestley was deeply involved in politics and religion, as well as science. When his vocal support for the American and French revolutions made remaining in his homeland dangerous, Priestley left England in 1794 and continued his work in America until his death. His library of some 1,600 volumes and his chemical laboratory, where he first isolated carbon monoxide, were probably the best in the country at that time.

YearAdded:
2000
Image Credit: Public Domain; Produced prior to 1/1/1923Image Caption: Joseph Priestley: Discoverer of OxygenEra_date_from: 1774
Society: ASMEMain Category: CivilSub Category: AgricultureEra: 1900-1909DateCreated: 1903Charles CityState: IACountry: USAWebsite: http://www.asme.org/about-asme/history/landmarks/topics-a-l/agriculture/-190-hart-parr-tractor-%281903%29Creator: Hart, Charles Walter
This landmark artifact represents the first commercially successful farm tractor in the world powered by an internal-combustion engine. It was invented and built by Charles W. Hart and Charles H. Parr in Charles City, Iowa, as their Model 3, following two prototype versions.
YearAdded:
1996
Image Credit: Courtesy Flickr/Norbert Schnitzler (CC BY-SA 2.0)Image Caption: Hart Parr TractorEra_date_from: 1903
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