Danish physicist and chemist (1777-1851) who discovered that electric currents create magnetic fields, which was the first connection found between electricity and magnetism. Rare ALS in French, signed “H. C. Orsted, Secretaire de la Societe Royale des Sciences a Copenhagen, Professeur de Physique, Chevailler de l'ordre de Dannebrogue,” one page, 8 x 9.75, March 19, 1816. Letter to the philosopher Maine de Biran, presenting a medal on behalf of the Royal Society of Copenhagen in recognition of his influential authorship of works on psychology and physiology. In fine condition.
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