LEIBNIZ, THREE VOLUMES RELATING TO LEIBNIZ

i. Leibniz, G.W. Theodicaea, oder versuch und abhandlung, wie die güte gerechtigkeit Gottes, in ansehung der menschlichen freyheit, und des ursprungs des bösen, zu verheidigen. Hannover: Heirs of Nikolaus Förster, 1735, 8vo, engraved portrait and one folding plate (of Leibniz's calculator), contemporary calf, spine gilt, (bought from Interlibrum, Vaduz, 1985), [T&W L70; Ravier 402; VD18 11544635], occasional slight browning and staining, binding slightly rubbed, upper joint restoredii. Lamprecht, Jakob Friedrich. Vita del sig. barone Goffredo Guglielmo di Leibnitz. Rome: Stamperia di San Michele per Paolo Giunchi, 1787, 8vo, engraved portrait, contemporary vellum, (Edward Sang (1805-1890), note of purchase from the library of Sir John Leslie (1766-1832) dated 20 February 1833; Sang had been Leslie’s student, and later his assistant, and probably acquired this volume in the auction sale of Leslie’s library, commenced in Edinburgh by John Carfrae, on 12 February 1833; bought from Pickering & Chatto, London, 1994), [T&W L72], slightly damp-stainediii. Prévost, Pierre. Notice de la vie et des écrits de George-Louis Le Sage… suivie... d'extraits de sa correspondance avec divers savans. Geneva: J.J. Paschoud, 1805, 8vo, half-title, contemporary boards, (Mr de Joffrey, label; bought from Antiquariat KaraJahn, Berlin, 2005), [T&W Add30; Origins of Cyberspace 9], slight loss to head of spine

the condition of this lot is as described in the catalogue description
"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective, qualified opinion. Prospective buyers should also refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."

The work by Prévost prints a letter to Le Sage by Christian Gottlieb Kratzenstein, dated Copenhagen, 2 February 1772, describing his reconstruction of Leibniz's calculating machine (pp.399-406).