EXPERIMENTS ON THE EFFECT OF A CURRENT OF ELECTRICITY ON THE MAGNETIC NEEDLE in Annals of Philosophy, Volume XVI. John Oersted, Hans Christian.
EXPERIMENTS ON THE EFFECT OF A CURRENT OF ELECTRICITY ON THE MAGNETIC NEEDLE in Annals of Philosophy, Volume XVI

EXPERIMENTS ON THE EFFECT OF A CURRENT OF ELECTRICITY ON THE MAGNETIC NEEDLE in Annals of Philosophy, Volume XVI

London: Printed by C. Baldwin for Baldwin, Cradock & Joy, 1820. First Edition. Hardcover. The first edition in English of Oersted's magnum opus (pp. 273-276), preceded by a small Latin pamphlet (Experiemnta circa effectum conflictus electici in acum magneticum) also published in 1820. This work laid the foundation for the subsequent revolution in physics with the work of Michael Faraday following soon after and later Clerk Maxwell's theory of electromagnetic radiation. Within a few months of the original Latin publication, the paper was translated into several languages. Oersted himself realized the importance of an English translation as attested to by the note at the beginning of this paper: "Translated from a printed account drawn up in Latin by the author, and transmitted by him to the Editor of the Annals of Philosophy." "...[Oersted] had predicted the existence of the electro-magnetic effect as early as 1812 ... He set out to deduce from the nature of electricity the conditions under which it was converted to magnetism, and to prove their existence by experiment ... In the winter of 1819-1820, he placed a magnetic needle parallel to a current carrying wire and saw the needle was disturbed. Resuming the experiments the summer of 1820, Oersted ascertained that a circular magnetic field surrounded current carrying wire, and that a magnetic needle brought into this field would set itself tangent to the circle. Oersted's discovery opened up a new epoch in the history of physics..." (Norman 1606). Octavo. The original marbled-paper covered boards have been expertly rebacked with a brown calf spine, which is accompanied by a green morocco spine label and elegant gilt stamping. Just a hint of foxing to the contents. The armorial bookplate of Henry Godfrey Godfrey Faussett Osborne appears on the front pastedown. The top edge is dust stained. Some general rubbing to the marbled paper; otherwise very good. Dibner 61; Printing and the Mind of Man 282. Very good. Item #65096

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