Mémoires sur l'action mutuelle de deux courans électriques, sur celle exise entre un courant électrique et un amiant ou le globe terrestre, et celle de deux aimans l'un sur l'autre.

Paris: Crochard, 1820-21. First edition. Quarter Calf on Marble Boards. Ex Libris. Annales de Chimie et de Physique. Tome XV & XVI. Ex Libris. 8vo (20.0 x 12.5 cm). Quarter sheep with marble boards and black morocco labels. Collation: Vo 15 & 16 448 pages each. Articles by Ampère: Vol 15-pp. 59-76; 170-218 + 5 copper enbraved plates; Vol. 16- pp.119-129 + 1 folding copper engraved plate. The latter is reply to commentary by Mr. Berzelius's Lettre to M. Berthollet sur l'Etat magnétique des crops qui transmettent un courant d'électricité. This letter (Vol. 16- pp. 113-119) precedes Ampère's letter to Agaro (op.cit. 113-119). The binding has Jesuite institution paper label at base of spine. Some wear present on leather binding and corners of marble boards. Internal condition is very good. Institutional label at base of spine, on front paste down and ink stamp recto half title and title pp. Very Good. Item #0000435

This is the seminal paper by Ampère in developing the area of electromagnetism which he called electrodynamics following the discovery of electromagnetism by Christian Øersted in the spring of 1820 "It was this (Øersted's) discovery that he (Ampère) introduced to the Académie on 25 September. Since the pattern of magnetic force around a curren-carrying wire was circular, it was ho great step for Ampère, the geometer, to visualize the resulting force if the wire were coiled into a helix… What Ampère had done was to present a new theory of magnetism as electricity in motion." (DSB 1, 143-44) The two article in volume 15 are the full discovery illustrated with 5 plates. The article in Volume 16 (1821) was Ampère's reply via letter to Arago to comments by Bezelius' letter to Berthollet. The folding plate in vol. 16 provides information discussed in Ampère's letter to Arago. The two volumes of the Allales de Chimie also contain articles by Fresnel, one of which deals with the relectio of light. (Dibner 62; Heralds of Science 62; Norman 64; Sparrow, 33).

Price: $3,000.00

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