Paris, Aux dépens de la société, 1755. Petit in-8, XVI-142 pages. Cartonnage du XIXe s, bradel papier rose, pièces de titre en cuir au dos.
Reference : 16471
Edition originale de cette adaptation libre de "Crito or a Dialogue on Beauty", de Joseph Spence, publié à Londres en 1752. Titre encadré orné d'une vignette qui représente une demoiselle à la poitrine dénudée tenant un miroir. La Lettre sur la jalousie contient la romance de Gabrielle de Vergy, par le Duc de LA VALLIERE. Cartonnage un peu défraîchi. Rare.[Barbier, I, 51]* Voir photographie(s) / See picture(s). * Membre du SLAM et de la LILA / ILAB Member. La librairie est ouverte sur rendez-vous.
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(No place, nor printer), 1753 & Paris, Aux depens de la Societe, 1755. 8vo. In contemporary half calf with four raised bands with gilt lettering and ornamentation to spine. Traces from old paper-label pasted on to top of spine. Light wear to extremities, boards with scratches. Previous owner's name in contemporary hand to title-page. Internally nice and clean. [Academie... :] XVI, 142 pp. [Lettre d'un Inconnu... :] 44 pp.
Rare first edition of this work related to the 'König affair,' the renowned controversy over the principle of least action, described as ""perhaps the ugliest of all the famous scientific disputes"" (DSB VII: 442). The main figures in this highly publicized affair, which led to numerous pamphlets supporting one side or the other, were the mathematicians and scientists P. L. Moreau de Maupertuis (1698-1759), then head of the Prussian Academy of Sciences, and Johann Samuel Koenig (1712-1757), a member of this Academy. In 1751 Koenig presented his ""Law of least Action"". The law states that the kinetic energy of a system of mass points is equal to the sum of the kinetic energy of the motion of the system relative to the center of gravity and of the kinetic energy of the total mass of the system considered as a whole, which moves as the center of gravity of the system. ""While still in Franeker, Koenig wrote the draft of his important essay on the principle of least action, which was directed against Maupertuis. The controversy touched off by this work, which was published in March 1751, resulted in perhaps the ugliest of all the famous scientific disputes. Its principal figures were Koenig, Maupertuis, Euler, Frederick II, and Voltaire" and, as is well known, it left an unseemly stain on Euler’s otherwise untarnished escutcheon. The quarrel occupied Koenig’s last years almost completely" moreover, he had been ill for several years before it started. Koenig emerged the moral victor from this affair, in which all the great scientists of Europe—except Maupertuis and Euler—were on his side. The later finding of Kabitz testifies to Koenig’s irreproachable character.""(DSB).