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dc.contributor.authorFalconer, Isobel Jessie
dc.identifier.citationFalconer , I J 2022 , ' Electromagnetism in the Encyclopaedias ' Institute of Physics History of Physics Group Newsletter , vol. 39 , pp. 20-36 .en
dc.identifier.otherPURE: 284988443
dc.identifier.otherPURE UUID: dee31c58-26f1-4286-aef0-8a9df39d31e5
dc.identifier.otherORCID: /0000-0002-7076-9136/work/130203728
dc.description.abstract“Heat, Electricity and Magnetism… though very different, agree in some general characters” wrote the natural philosopher John Playfair in 1819 in his influential "Dissertation Second" for the Encyclopaedia Britannica. His essay provides little evidence to support the claim of John Leslie, writing a sequel dissertation in the 1820s, that, “[Electricity’s] close connexion, if not identity, with magnetism, had been long suspected.” Leslie, of course, was writing with the benefit of hindsight, informed by Hans Christian Ørsted’s discovery of the effect of an electric current on a magnetised needle in 1820. After a brief overview of Ørsted's life, I investigate what encyclopaedia articles such as these can tell us about electricity and magnetism in the years leading up to Ørsted’s publication, and immediately afterwards.
dc.relation.ispartofInstitute of Physics History of Physics Group Newsletteren
dc.rightsCopyright © 2022 the Author. This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the final published version of the work, which was originally published at
dc.subjectHistory of physicsen
dc.subjectJohn Leslieen
dc.subjectJohn Playfairen
dc.subjectD History (General)en
dc.subjectQC Physicsen
dc.subjectHistory and Philosophy of Scienceen
dc.subjectGeneral Physics and Astronomyen
dc.subjectPhysics and Astronomy (miscellaneous)en
dc.titleElectromagnetism in the Encyclopaediasen
dc.typeJournal articleen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews. Pure Mathematicsen

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