SCIENZE FISICHE E NATURALI
Romagnosi and the discovery of electromagnetism
Stringari Sandro, Wilson Robert R.
ABSTRACT: In 1802 Gian Domenico Romagnosi observed in Trento the deviation of the magnetic needle induced by an electric current. Did he anticipate the most famous Oersted's experiment of 1820? Did he ever claim priority in the discovery of electromagnetism? Who was aware of his results? The historical debate on Romagnosi's experiment is reviewed on the basis of documents so far ignored in the literature
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